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'Securing America - One Door At A Time'314 266 1533
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Showing posts sorted by date for query Bilock. Sort by relevance Show all posts
Showing posts sorted by date for query Bilock. Sort by relevance Show all posts

September 24, 2026

Electronic Security Vulnerabilities Exposed: The Reality of Modern Access Control

 Electronic Security Vulnerabilities Exposed: The Reality of Modern Access Control

Modern electronic security devices—including RFID key fobs, NFC cards, and mobile-based credentials—have become the baseline standard for residential buildings and commercial properties. Marketed as the pinnacle of safety, these smart access control systems are installed under the promise of keeping unauthorized visitors out. However, investigative reporting by programs like Australia's A Current Affair has repeatedly torn down this illusion, exposing a thriving black market where illicit operators effortlessly clone restricted security tokens for a fee across Sydney and other metropolitan hubs.


The Anatomy of the Electronic Key Bypass Scam

The ease with which radio-frequency identification (RFID) tags can be compromised highlights a major flaw in modern property management. Low-frequency (125 kHz) and high-frequency (13.56 MHz) smart cards can often be read and duplicated in mere seconds using inexpensive, commercially available hardware bought online.

This creates a complex socioeconomic and ethical dilemma for tenants and strata management:

 Artificial Scarcity: Building management companies often tightly restrict the number of issued access tokens or refuse extra copies outright.

 Exorbitant Pricing: When authorized duplicates are permitted, management companies frequently charge excessive fees for simple plastic tags.

 Driven to Workarounds: Frustrated residents seeking fair household access are inadvertently nudged toward grey-market cloners, undermining building security architecture.


Why Smart Access Control Fails the Security Test

For years, cybersecurity experts and the professional locksmith industry have warned that convenience frequently comes at the cost of genuine protection. Electronic credentials suffer from several inherent vulnerabilities:

 Insecure Cloning Vectors: Standard proximity fobs can be skimmed from a distance without the owner's knowledge using hidden handheld transceivers.

 Insider and Administrative Risks: Building contractors and facility managers often retain master programming rights, creating potential vectors for rogue credential duplication.

 A False Sense of Security: Property developers market smart technology to drive up real estate value, ignoring the fact that basic backend infrastructure remains easy to exploit.


Returning to High-Security Mechanical Key Control

While technology companies race to patch software endpoints, traditional locksmithing principles offer a time-tested alternative. Restricted mechanical key systems utilize patented keyways and strict legal frameworks that prevent unauthorized key duplication.

Leading global hardware brands—such as Abloy, BiLock, EVVA, Mul-T-Lock, and Medeco—manufacture mechanical cylinders backed by legally enforceable key blanks. Authorized duplicates require strict cryptographic or signature-based verification, ensuring that unauthorized third parties cannot simply walk into a hardware store or buy an online device to copy a key.


The Verdict: How Safe Are You?

As smart city infrastructure expands, the vulnerability of residential access control remains a glaring blind spot. Relying solely on electronic convenience leaves properties exposed to physical cloning and credential compromise. True structural defense requires a hybrid approach: robust cybersecurity hardening for digital systems paired with legally restricted mechanical fail-safes.

Are you confident that your building's current access control system can withstand a targeted cloning attack?


September 16, 2026

Why Your Business Needs an Advanced Commercial Access Control System in St. Louis

Why Your Business Needs an Advanced Commercial Access Control System in St. Louis


Securing a business in today’s environment requires much more than a standard padlock and a set of brass keys. As companies grow, keeping track of physical access becomes increasingly complicated. Traditional keys can easily be lost, duplicated without authorization, or stolen, posing a direct threat to your corporate assets, inventory, and employee safety. Upgrading to a modern Commercial Access Control System in St. Louis is no longer just a luxury for Fortune 500 companies—it is a vital necessity for local businesses of all sizes.


Traditional master key systems offer a solid foundation, but integrating modern electronic door access control changes the game entirely. With electronic solutions, business owners can manage credentials centrally. Instead of handing out physical keys that are difficult to track, you can issue keycards, mobile smartphone credentials, or biometric fob scans. If an employee leaves the company or loses their credential, you can instantly revoke their access with a few clicks on a dashboard rather than paying for an emergency rekey of every exterior and interior door.


Furthermore, high-security commercial locks and advanced access panels give you detailed audit trails. You will know exactly who entered a sensitive room—such as a server room, human resources office, or inventory warehouse—and at what precise time. This level of oversight deters internal theft, boosts regulatory compliance, and provides invaluable data if an incident ever occurs.


When paired with master key systems like BiLock or high-end panic hardware, electronic access control creates a multi-layered security ecosystem. It bridges the gap between physical durability and remote digital convenience, allowing managers to lock down facilities remotely in the event of an emergency.


Call to Action:

Ready to secure your commercial property and upgrade your business security infrastructure? Contact our security experts today at (314) 266-1533 or email us at sales@locks210.com for a comprehensive business security audit and consultation.


September 14, 2026

Master Keying Solutions with BiLock Quick Change Cores (QCC)

 

BiLock Interchangeable Core Master Keying

Master Keying Solutions with BiLock Quick Change Cores (QCC)

Managing access security across multi-tenant office complexes, industrial plants, and healthcare institutions requires balancing rigid physical access restrictions with operational convenience. The BiLock Quick Change Core (QCC) system delivers an ideal solution: extreme pick resistance combined with quick-change cylinder cores that fit virtually any major brand of lock hardware.

How BiLock Technology Operates

Unlike traditional single-shear-line pin-tumbler locks, BiLock relies on a dual-blade key operating twin rows of locking pins connected to independent sidebars.

FeatureStandard Commercial Pin-Tumbler LockBiLock QCC High-Security System
Locking MechanismSingle row of top/bottom pins along 1 shear lineDual independent pin rows with 2 sidebars
Pick & Bump ResistanceModerate; susceptible to bump keysExceptional; immune to conventional lock bumping
Core Replacement Time15–30 minutes per lock (full teardown)Under 10 seconds using a QCC Control Key
Hardware RetrofittingRestricted to brand-specific housingsUniversal retrofit for rim, mortise, lever, and padlocks
Key Head CustomizationStandard brass/metal head20 distinct color-coded key heads for quick visual identification

Essential Benefits of BiLock QCC Master Keying

  1. Rapid Re-Keying Capability: When an employee leaves or a key goes missing, facility managers can instantly swap out lock cores using a specialized control key—eliminating downtime and expensive locksmith service calls.

  2. Universal Cross-Brand Integration: BiLock QCC cylinders can be installed inside standard commercial mortise locks, cylindrical levers, deadbolts, cabinet locks, and heavy-duty padlocks.

  3. Color-Coded Management: With 20 key-head color choices, management can visually categorize key permissions by department, floor, or shift.

  4. Drill and Extraction Defense: Built-in hardened steel anti-drill pins protect the keyway plug against physical drilling and destruction attacks.

Designing an Enterprise Master Key Matrix

A well-structured master key system keeps operations streamlined while securing sensitive areas:

  • Great Grand Master Key (GGMK): Unlocks all lock cylinders across multiple buildings.

  • Grand Master Key (GMK): Opens all doors within a designated facility.

  • Department Master Key (MK): Restricts access to specific zones (e.g., IT, HR, Maintenance).

  • Change Key / User Key: Opens only an individual office door, desk drawer, or supply cabinet.

Contact St. Louis Locksmiths and Door Repair

Upgrade your business facility to a flexible, high-security BiLock master key system in Creve Coeur and the St. Louis metropolitan area.

  • Phone: (314) 266-1533

  • Location: Creve Coeur, MO 63141

  • Email: sales@locks210.com

September 11, 2026

The Evolution of Commercial Master Key Systems in St. Louis

 For businesses throughout St. Louis, maintaining strict physical security while ensuring operational convenience is an ongoing challenge. Implementing a robust commercial master key system allows facility managers to streamline building access without sacrificing safety. Historically, mechanical master key hierarchies—such as those utilizing high-security cylinders like ASSA Max+ or BiLock interchangeable cores—have provided reliable credential management for office complexes, retail centers, and industrial warehouses across Creve Coeur and greater St. Louis. By establishing clear access tiers, property owners can grant custodians or temporary staff entry only to designated utility zones while executive teams retain universal access. Modern GEO-targeted security audits further ensure that businesses comply with local Missouri building codes while defending against sophisticated lock-picking and bumping threats.

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December 21, 2024

Master Keying With Bilock - Interchaneable Core for any brand of hardware

 

Master Keying - How it Works

BiLock's completely interchangeable core lock system (QCC) enables a lock combination to be changed in seconds, provides second-to-none key controls, offers fast and efficient maintenance and large, virtually unlimited master keying system capabilities!

So-called "Master Key" systems have almost become a generic term. Real Master Key Systems that can incorporate high security key control is the specialty and unique purpose of the Bilock range of Extreme SecurityProducts. Because it offers switch locks, perimeter locks, filing cabinet locks, garage door locks and virtually any lock on the market today are much rarer, and BiLock is very rare. BiLock offers virtually infinite combinations with tightly controlled security, it gives both the locksmith and the end user confidence and flexibility. It is the Company's understanding of what a true Master Key System requires that has positioned BiLock at the forefront in todays security market.

The BiLock key system utilises up to 12 chambers with 4 depths per chamber. The numerical sum of these combinations gives 16,777,216 actual key combinations per profile. Powerful Master Key Systems can be generated from these combinations. It also makes possible an authentic and convenient one key system for each individual user authorised to access any particular area, building or group of buildings.

Authorised BiLock agents use a computerised master key generation system, which allows them to build seriously complex Master Key Systems without compromising system security.

The authentic color coded key heads allow convenient identification of different keys, making life simpler  for key holders. 
During construction phases of building construction, Bilock offers color coded cores to help identify the stage in construction. Examples can be like Brown cores for Carpentry stages, Blue cores for Plumbing stages, Red cores for Electrical stages. This unique attribute can be quickly modified by construction project managers to secure ptions of a building during construction that require a particular trade to complete before another, increasing security and reducing the potential for worksite injury.

Widely used across the planet, Bilock’s unique keying system is especially designed to operate in almost every different brand of hardware, enabling brands by Allegion and Assa Abloy (two of the world’s largest lock and door hardware manufacturers) to work together more easily, than with current offerings by each manufacturer. Door and hardware suppliers and locksmiths who offer Bilock products can service customers more easily, especially when architects and general contractors discover issues due to brand choice, on the job.

The clear choice today is convenience with security and Bilock brings convenience and security by making different brands of hardware work together to solve the previously unable to resolve easily issues.

May 28, 2023

Bilock Machine Fixed

after many many months, we finally stripoed down our Bilock Key Punch and repaired the cutting system and now are again able to originate new and duplicate Bilock keys again. we apologize to our many customers for the inconvenience this caused and we can now provide new keys again and build new systems. the task took more months than we expected but are happy to make bew Bilock systems aveilabke once more. by appointment only!

January 15, 2022

progress...

 This week's services.......



 

  • Installed a new Bilock system this week.
  • Made keys to 6 German made Lockable fixed umbrella. Used a Yamaha motor cycle keyblank.
  • Reset a returning customers digital lock we installed  11 years ago. Still working great today.
  • Sudden 5 door rekey on restaurant.
  • Unlock house.... 15 minutes no damage.
  • Rekeyed 3 houses
  • Installed Meroni N13 entrance set

There is life on this planet, after all.


Onward and forward!


January 9, 2022

A Rough Year...

 2021 was a very rough year for us. Just like most others, we suffered measurably with the downturn in business thanks in no small part to the Covid 19 pandemic. Business has not returned to previous levels and the long term prognosis is not good at all. We are thankful to our clients who continue to use our services, especially for door and door hardware repairs. Actual locksmith calls has cratered significantly and we are modifying our products and services offerings as a consequence. 

We are still offering some services like:

  • Door Unlocks (if you are locked out)
  • Safe Openings (repairing and opening safes)
  • Lock rekeys (if you have lost a set of keys or are moving into a new place)
  • Door hardware repairs (if your handle or hinges are broken or out of alignment)
  • Key cutting (residential and commercial keys - not car keys)
  • Door closer repairs (if your door isn't closing correctly)
We have moved on from offering some hardware lines due to supply difficulties While we still carry a very small amount of these lines:
  • Meroni
  • Bilock
  • Lockwood
  • Schlage
  • Weslock
  • Kwikset
We are no longer competitive on many of them.

We have adjusted our hours tremendously too, because we have taken on additional employment during these difficult times. We are only available by appointment still and will be available more in evenings and weekends in future.

We are still offering free surveys and estimates. And our advice consulting services remain free too. We continue to refer to specialist colleagues for our customers needs that we cannot fulfill.

If you have need of door repair advice or a consultation, feel free to contact us at your convenience by Calling Us On (314)266-1533  You are also welcome to Email Us on sales@locks210.com


May 5, 2020

Contact-Less User Interfaces Are Becoming A Part Of Our New Future - Part 1

As we progress toward a more contact-less future, given the current precarious situation we find ourselves facing, with the pandemic today causing upheaval to our daily lives....

We decided to share a new post to discuss some contact-less options that already exist in today's world and articles that we have written over the last 10 years or so.


Voice control is one area that we have embraced in recent years with the advent of Google Voice, Home, Amazon Alexa, Echo etc among other offerings.

Below find a number of articles that we have written, that provide some interesting reading about some of the options already available to us. Some of the products listed below do not exist anymore but talented researchers are constantly creating new and improved products that might help us progress through this new world...

December 14, 2019

ADI Block Lock - Total Security Bolt Protection Unrivaled The World Over


This is the top security ADI Block Lock made by ADI Security, an Australian manufacturer of superb security products originally founded by Brian and Peter Preddy and being bought out by Locksmith Supply Company a few years ago. Locksmith Supply Company are the original Locksmith Industry supply house that has provided hardware, machinery and tools to the locksmith industry in Australia for almost 100 years. 

We recently brought in (to USA) a number of these specialty lock products for use as custom security products for our clients needs. We are negotiating with LSC to become an exclusive distributor for this product line in the USA.

We brought in their through fix bolt version with some extended bolts, which are particularly useful for doors or cabinets where the frame construction may be wider apart than standard frames.

We will post some images and a video of our installation in a follow up post.

As expected, quality security products like these are not cheap. Quality costs a fair price. These ADI products are very good quality. I have personally installed many of their varying products over the last 35 years in the industry and attest to their strength and reliability.

We have also written about some of ADI's other products over the last 10 years, like the ADI Cap Lock, a product designed for tradespeople like plumbers and electrians who often carry long rooftop containers on their vehicles to transport pipes, cables, rods etc that are too long to conveniently carry inside their secure vehicles. The Cap Lock secures the end of the tube, protecting from theft and unauthorized access.

Another of ADI's products we have written about is the Slim Line Patio Bolt, an especially designed and constructed product that is super strong and able to be used on narrow frames of doors or gates. Like other ADI products, the Slim Line Patio Bolt also uses an oval key cylinder that can also be converted to many differing brands of high security restricted key cylinders, like Bilock, Abloy Protec, Medeco, Schlage Primus, C123, Multilock among other brands (consult your local restricted key system provider for compatible restricted key cylinders to suit)

We welcome inquiries from interested consumers and fellow security professionals, who may find a use for these fantastic security products.


November 25, 2019

Master Key Systems Explained - How To Design Your Master Key System

Today marks 10 years from when we wrote an article about Master Key Systems and we revise that post today and include it here for your pleasure.....


We wrote (November 25, 2009):



As a blog author and locksmith, as a business owner and statistician, I keenly watch the results using Google Analytics, of the search terms people use while attempting to gather knowledge that may help them to be more aware when purchasing products or services.

I am noticing a significant number of searches recently about master keying although, it may be due to a cardinal lack of understanding about the principle.

It seems that many searches recently are from people who assume that all deadbolts are master keyed. This is simply not true. It is a fallacy.

A deadbolt, or any other lock for that matter, must be purposely master keyed.

There are no pre-fabricated master keys for residential or commercial deadbolt locks.

In bygone years, manufacturers of some bit-key type mortise deadlocks, did produce some of their ranges with a purposely designed flaw allowing for a "skeleton" key to operate. This skeleton key was often referred to as a Master Key.

There are some manufacturers of coin machine locks or cam locks, that routinely produce their locks to be master keyed. The primary benefit in using master keyed coin or cam locks is for commercial situations like an office complex that uses on-site maintenance to minimize the quantity of keys a janitor or other service person can be required to carry. (source...)


Many of the same things we wrote about 10 years ago are still true today.

We here at Master Key Systems America LLC/ St Louis Locksmiths are proud of our continuing longevity in the locksmith trade, currently just a tad over 35 years in the business.

We are lucky enough to have worked on 4 different continents and been exposed to many differing types and styles of key systems, that all have their benefits (and issues) for users in their respective regions.

We are one of the leading Bilock Extreme Security Dealers in the USA, having offered Bilock for the last 14 years, locally,

We have worked with the product regularly since 1983, when we first entered the trade. The product was first made available about 5 years prior.


We explain to customers when designing their master key systems, that our preferred method of creating their system requires establishing a list/spreadheet of doors in their property that they want to operate by key.

We usually survey the premise and will often mark all keyed doors with an individual number often on the hinge or inside of the door frame.
This enables each door to be recorded individually. We will often include details like, hinge location/size/make, door hardware (type of lock), color, kickplate (if required), strike plate type etc.
This allows us to immediately know what the original door products are, if ever asked in future. And allows us to know immediately which keys operate which doors.

On the spreadsheet, we will list each door and it's number across the top of the graph, separated into columns.

We will list the names/employee number of key holders in the left side column.

We will then check the name under the corresponding door each person requires to access.

This simple method allows us to accurately design each system and account for all users.

We prefer to offer all our master key systems using Bilock because it is a restricted keyway that is protected from unauthorized duplication. This means no one can get a key copy without the written permission of the designated authorized signatory. This prevents too may keys being out there and not accounted for. No one can get another key made without the owner/manager's knowledge and permission.

We color code all our Bilock keys for simpler identification. We also emboss the system number, key number and issue number on each key, that means each key is an original and NOT a duplicate.

The method of designing a master key system is important to control access to areas required and dramatically improves the security of a premise.

We still like to recommend mechanical access control key systems because they are virtually maintenance free, require no reliance on batteries or electricity, are significantly cheaper than electronic products and are specifically designed to last 25+ years.

Should you wish to know how master key systems can benefit you and your security, feel free to contact us or your local legitimate locksmith for more personal detail. 

January 29, 2019

A Stroke Of Genius - Kwikset Smartkey Defeat With No Damage

Yesterday we attended to a client for whom we had previously rekeyed their new home about 8 weeks ago, who had accidentally locked themselves out.

The husband and wife had traveled out of state for a vacation and one of the spouses had inadvertently left their spare key inside the house, while the other spouse with the key was still interstate.

The types of locks they have on their doors are Kwikset Smartkey designer series locks similar to the style presented in the picture here.

Typically, many locksmiths would choose to drill and destroy a Kwikset Smartkey lock because typically they can be somewhat difficult to manipulate without causing unrepairable damage.

Many doors that use Kwikset Smartkey locks, tend to have a separate entry set from a deadbolt lock. Often defeating an entry set, without damage is painlessly simple and there are methods to bypass a Kwikset Smartkey deadbolt that are considered "outside the box". We deliberately choose NOT to share these unique bypass methods for fear of those details getting into the wrong hands.

Our customer being out of state, while their spouse was on their way home without a copy of their Kwikset Smartkey operating key, contacted me to attend the site and unlock the door on behalf of their spouse. When the spouse arrived at the airport they contacted me to arrange a suitable time.

Being as cold as it is presently, I did not want to keep the customer waiting for long while I attempted to manipulate the lock cylinder. I did not want to drill and destroy the lock, because getting a replacement on such short notice was not possible, so I asked the spouse interstate to snap a picture of their operating key and text it to me.

Upon receiving the image, I attended the home just prior (about 15 minutes) before the spouse arrived home from the airport. I grabbed the appropriate Kwikset key blank and set about making a copy of their operating key with my handheld impressioning file.

Having a clear image from which to determine the cuts of the key proved the stroke of genius in this move, because I was able to recreate the operating key in about 10 minutes and it operated flawlessly in the deadbolt (pictured above). This allowed me to unlock their door without any damage nor signs of forced or manipulated entry. The clients existing key (inside the house) still worked like new and we saved the inconvenience of trying to replace a special order lock product.

NOW - Obviously you can see a security issue here that can be distressing. If someone has enough time to take a picture of your house key, potentially they could simply contact a locksmith who could also provide the same service and make a copy of the key. Ethically and morally many locksmiths would not do this, unless they knew the customer and they could prove they belong to the address in question. But not everyone lives by a code of ethics.

A few years ago we wrote an article that talked about creating key duplicates using the credit cards you often get on the mail from promoters.

See Credit Cards Used To Duplicate Keys

Another article we wrote about 5 years ago talked about a service created by some enterprising engineers in California called Shloosl, See the link

Here is an article from about 10 years ago that discusses the ease in creating a copy of your key by picture..... Key Photograph Key Cutting


Simply put, there is only 1 way to prevent unauthorised key duplication. Using a High-Security Restricted Key System. Systems that require your signature authorization in advance of origination. There are many systems available across the world in today's market. Some better than others. We choose to offer the Bilock Extreme Security restricted key system.

November 23, 2018

Artificial Intelligence Now Capable Of Bypassing Fingerprint Security

Artificial Intelligence has grown in recent years to such a point that according to a team of 5 NYU researchers, fingerprint identification, found in many products today, including but not limited to deadbolt locks, entrance sets, electric strike user interfaces, access control and time clocks, among other modern day electronic products, is now able to contravene the once thought of high security alternative to mechanical key entry systems.

We have previously touted the benefits of biometric fingerprint security scanners that were/are included in a great many differing products, including a (now discontinued) high security deadbolt lock that we sold many years ago. We realized the error of our ways, when a number of older clients were finding tremendous difficulty in registering and using the fingerprint deadbolt locks we once recommended. Specifically we found that if you were over 55 years of age, your fingerprints wear more quickly as you age. This proved to be an impediment to future sales of fingerprint operated biometric products because many elder users would have been the primary beneficiaries of keyless, fingerprint operated lock systems.

It is obvious that Apple, recognized the limitations of fingerprint identification systems when they decided to discontinue fingerprint readers in many of their largest selling product lines, like the iPhone, the iPad and other products. Many competing product manufacturers also included fingerprint readers in a host of other products, hoping to also cash in on the once burgeoning sector of the electronics products markets.

An excerpt from the article quoted in the source below explains....

"Named ‘DeepMasterPrints’, the set of fake fingerprints was generated by the NYU scientists using a neural network to be some sort of ‘master key’ for biometric authentication systems that have an error rate of one in a thousand. To work this well, DeepMasterPrints takes advantage of two properties fingerprint authentication systems have: that they scan only a part of the finger at any given time and not the whole finger; and that some features of fingerprints are more common than others. 
So, the weakness in the system here, explains The Guardian, is that fingerprint scanners never blend all the partial images to match a full fingerprint against a full record. Instead, they just compare a partial scan against partial records. This means that attackers need only match one of tens or even hundreds of recorded fingerprints in order to gain access into a secured system.
The scientists’ presented their research paper at a biometrics conference in Los Angeles in October. “The underlying method is likely to have broad applications in fingerprint security as well as fingerprint synthesis,” said NYU’s Philip Bontrager, the lead author of the paper in a statement to Gizmodo. “A similar setup to ours could be used for nefarious purposes, but it would likely not have the success rate we reported unless they optimized it for a smartphone system."

Naturally, as a security services and products provider, we try to remain updated on issues affecting security products and services to enable us to provide our growing lists of customers with updated information regarding products and services aimed at minimizing issues and mitigating security loopholes.
Apple, introduced facial recognition in many of their products, which seems to be becoming quite widely accepted across the wider marketplace.
We highly recommend consulting your local trained and qualified locksmith technician, who can advise you on great quality secure products that will provide continued secure access to your properties and security systems.
At Master Key Systems America LLC, we provide Extreme Security Bilock Restricted mechanical key systems that are virtually unparalleled across the world for bump proof and virtually pick proof locks and cylinders that use virtually copy proof, unique color coded keys. We can produce complex master key systems that can operate up to 1.7 billion separate locks.
There are other brands of high security mechanical key systems that also offer quality security. Contact your local professional locksmith to learn more.

November 16, 2018

About To Celebrate Our 12th Anniversary With The Home Advisor/Angie's List Network

November 2, 2018

We Recently Acquired The Inventory Of A Closing Bilock Dealer - New Discounted Inventory Coming Up For Sale

 We just acquired the entire inventory of a closing Bilock dealer in USA.

We will be contacting their clients soon to maintain their security systems and continue to offer them parts and services.

Being the largest Bilock dealer in the Midwest, we continue to supply these sensational 100% bump proof and virtually pick proof, copy proof keys and locks to discerning buyers intent upon maximizing the security of their homes and offices.

We will soon be offering a steep discount on some of the acquired inventory.

 Bilock continues to provide up to 1.7 million key changes in a master keyed system. Color coding the keyheads enables simple and quick identification and separation between doors, locks, buildings etc.

Using the unique Quick Change Core technology, users will not require to disassemble and reassemble any cylinders or hardware, when the need arises to have your locks rekeyed.

 The 21 different colored keyheads allows us to design unique color coding for systems that allow users to quickly identify the correct color used for the correct door or for different levels of master keys to operate separate key cylinders.

The 21 colors and shades, comprise 3 separate parts allowing potentially over 9000 color combinations by mix and matching pieces. This can be of benefit to users significantly.
 The unique OEM (Original Equipment Manufacturer) product pictured in the diagram here, displays the Slam Cam deadlatching cam lock. Perfect for steel cabinet doors or drawers, it allows for unparalleled cabinet and drawer locking strength. The added ability to include these locks in your Quick Change Core system, makes this product a sought after item. With the key only able to be withdrawn in the open position, losing your key or leaving it unattended is virtually avoided.


 The 4 main cylinder types include key-in-knob cylinders used in entrance sets and deadbolt locks, padlocks other OEM products.
The Rim cylinder is seen in surface mounted panic bars, surface mounted nightlatches, surface mounted deadlatches, jimmy-proof deadbolt locks, gates locks (see image below) among other uses.

 The Grade 2 Deadbolt offers high quality security in a competitively priced package. Typically the OEM Bilock Grade 2 deadbolts are available in Polished Brass, Satin Stainless Steel, but we also happily provide cylinders and cores that will suit other brands of harware including (but not limited to) LSDA - Antique Brass, Bronze, Chrome Plate, Yale, Schlage, Arrow and other leading brands.
 This is a closer image of the typical rim cylinder.
 Here is an image of a Bilock Rim Cylinder installed to a Hurricane Fence gate. Combined with a hardened steel blocker plate that doubles as a gate stop, this very strong gate lock is virtually indestructible,
The wide range of Key-in-knob cylinders allows use in deadbolts, entry knob sets, lever handle entrance sets, storeroom door lock sets, classroom door lock sets, sliding patio door lock sets among other uses.
 This image displays the common core that will fit into many different and separate cylinder housings. See the key inside the core? That core will fit into all the surrounding styles of cylinders, meaning you can have 1 single high-security bump proof and virtually pick proof key system that will operate across multiple brands and hardware needs. Padlocks, Oval Cylinders, cam locks, Entrance Sets and Deadbolts, Mortise Locks, Rim Locks, even electrical switches. The unique Bilock system is almost limitless in it's applications.


Knobs, levers, almost any application can be supported using Bilock

 The Bilock Range is quite vast and useful in display case security, Euro cylinders, cupboard deadlocks and latches, padlocks of differing sizes and materials, all conveniently controlled by one unique bump proof and virtually pick proof key.
 See the 3 sections of the key head? we can put together separate colors to help you identify your keys easily.
Even push projection locks can be used to secure hard to lock wooden drawers, Bilock products leave no options out.









We have been continually offering Bilock products throughout the world for almost 35 years now, having installed this fabulous system to casinos, hospitals, clinics, universities and colleges, private and public schools, bars and restaurants among many and varied applications.

Customer choose Bilock for it's unique looking key and the wide range of products that can be secured.

Many modern day electronic security providers also choose to include Bilock Extreme-Security key cylinders in their ranges of offerings. One such company is Salto. (click on the link to learn more about Salto)

Home Advisor (formerly Service Magic) Testimonials And Sites That Recommend Us

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Testimonials

Danny was very professional and friendly at the same time. He not only gave me the quote and fixed the exterior door and explained his work. He was prompt and upfront about the work and did the work. He came in time took care of it on the same day. (Sasheethn K St Louis MO) June 2018d out problems but assured not urgent. Please feel free to have Danny pass out my number for my total experience review 314-351-5553

Charlie M. (St Louis, MO) November 2015


Danny was pleasure to meet and was very knowledgable. He explained several lock replacement options but I decided none of them were a good fit for a storm door, however, I did replace a lock on my entry door with a type of lock I had never seen before. I would highly recommend this company.
Patricia J (Bridgeton, MO) March 2014
They were prompt and showed up when he said he would show up. He knew his stuff. I had ordered new handles and he was honest enough to say that we don't need them that he can fix the doors and he did. Made me lock and unlock my doors to his satisfaction so that I knew what to do. Am very, very pleased with the service and cost.
Joyce K (Glencoe, MO) May 2015

Showed up on time for appointment. Was very knowledgeable about the project and offered a solution beyond what I asked to be done.
Stephen G (Chesterfield, MO) May 2015


Daniel was right on time, assessed the problems I had with two doors, made the repairs, and explained what caused the problems to begin with .... He is a "door expert" and a true professional. I highly recommend him.

Vince V (St. Louis MO) May, 2015




Danny was fabulous! He went over my concerns and he provided me with more than a fair quote. He was there when he said he was going to be there. I would highly recommend Danny. Cheers!
Denise S (Imperial, MO) May 8, 2014

Hired Danny to re-key locks on "new" house purchase. He advised to replace with new deadbolts & door knobs on 3 entry doors instead which I agreed with. All doors have 1 matching key & the safety of excellent quality product & workmanship. He also added new strike plate to door frame to complete project.. I recommend as your 1st & only call to a Locksmith.

Denise F (St. Louis, MO) April 3, 2014


Danny was very helpful in solving a pretty complex problem involving many lock.
Scott C (Eureka, MO) March 27, 2014




Needed patio door track to run smoothly. Arrived early, fixed door and explained what he was doing during repair. Quick and easy. Door works great, my wife will now speak to me, and I've become a better dancer.

Mike W. (Arnold/Oakville MO) July 2013


The owner spent a longtime with me on the phone helping diagnosis the problem. He was on-time, friendly and helped resolve my issue. I will definitely use him again!

Chris C (Lake St Louis, MO) July 2013


I had a very pleasant experience with Master Key Systems. They came out, did the job (which took longer than expected) and they did not change the price they quoted me. Now, I am not certain that it was a great value for the money because I don't have a comparison, but they did what they said, when they said, for the price they said. Enough said!!!

Antonio B (Saint Louis, Missouri) March 2013


Professional.. Upfront about charges. Fixed the sticky door within 20 minutes. I will recommend Master Key for exterior door issues.
Muthu R (Ballwin, MO) July 2012


Danny was a master craftsman, knowledgable and professional. I will be calling on him again in the future as well as passing on his services to friends and family.

Marsha L (Saint Louis, MO) July 2012


Danny was excellent! I called him on a Monday to fix a sliding glass door. He happened to have the exact part we needed (and it was not an easy find - we had looked everywhere) and he came over Tuesday evening. He stayed until 8:00 until the job was done, and cleaned up afterwards. He was courteous, professional, and efficient! I could not be happier!

Rachel P Maryland Heights, MO (July 2012)


He did an excellent job. Got there on time and quickly solved the issue. Was very pleasant and explained the situation and how to keep the door from sticking in the future. Would definitely use Master Key LLC again!

Neil F. (Saint Louis, MO) April 2012


Danny was very friendly and knowledgeable, although his apprentice seemed to do most of the work, Danny kept an eye on him to make sure it was done right. He had very reasonable pricing for re-keying.
Greg D (St Louis, MO) October 2011


He was extrememly fabulous and helpful and did a wonderful job. He was very professional.
Shannon M. (Arnold, MO) October 2011


Growing up spending so much of my time in Italy, the uniqueness of the Nova Classico left quite an impression on me. To be able to have and enjoy them in my own home here in the states is a nostalgic indulgence I'm enjoying beyond words. Thank you Danny for coordinating this transaction.

Joseph M (Chicago, IL) September 2011





great job. hired on the spot and he did job right then at great price

Ron B (Arnold, MO) July 2011







I searched the internet and found your services. I received three phone calls within several days. A service call was scheduled. Two gentlemen arrived promptly, analyzed the problem and fixed it.
James & Florenc M Saint Louis, MO July 2011

The repairman was on time and did an excellent job of fixing a very stubborn door lock. He was persistent and cleaned up the work area afterwards. I would use this service again.

Brenda F (Saint Peters, MO) June 2011


Danny at Master Key Systems has succeeded in making the purchasing of our Meroni door locks, from Italy, an absolute breeze. Even though I live in Australia with a 16hr time difference and was ordering door knobs from Italy that weren't in stock, the whole process was faultless. Danny was prompt and efficient with all his emails and made sure we had covered every possible variable so that the product I received was exactly as required. I would have no hesitation in recommending Danny for your next purchase.
Patrick Carr (Canberra, Australia)


Your product really helped because I needed to secure a nurse's station adjacent to a waiting room and needed a pocket door. Unfortunately, no real options were available to lock a pocket door effectively that would keep me compliant with HIPAA and secure an area that stores medical supplies. This was vitally important as this particular waiting room was for "waiting detox patients". Thank you very much.
Randall R The Fritz Clinic (Birmingham, Al) March 2011


Danny was very polite and knew what the problem was and how to fix it. He also gave me some information about other issues that could arise with my door and locks. Will hire again if I ever need that type of work done.
Jason M Imperial, MO March 2011




I had an exterior basement door that dragged when opening and closing. The hinges were not fitting properly and the door frame had shifted, probably due to the age of the house.The screwswould not go far enough into the wall without hitting stone...even using a special drill bit. Dan worked a long time drilling and sanding to shore up the door as best as possible. I know it will never be perfect. He could have easily sold me a new door and the same issue would happen. He was honest, thorough, and did an excellent job without charging me a fortune. I'm satisfied with the door now. If you want an honest, experienced man, Then Dan is the man

Roger M Saint Louis, MO March 2011


I purchased the Cowdroy P697 Pocket door lock with key over the internet. I emailed questions before my purchase and was provided with the answers quickly by return email. The purchase was quick and easy and the lock was shipped immediatly. Installation is quick and easy. But you do need to convert millimeters to inches (use the internet) in the installation instructions. And the lock looks great and works great. I will do business with them again. THANK YOU

Ed D (February, 2011)





Who Are We?





Welcome to Locks210.com.
This site is to inform about historical and modern approaches to Keys and Physical Security products and services.
Locks210.com, established in 2006, offers residents and businesses of St Louis Locksmith premium quality products and services. As the Premier Bilock Extreme Security Dealer in The Mid-West,
Our conveniently located workshop and service vehicles are uniquely designed to offer trade qualified, bonded, insured tradespeople with knowledge and experience spanning multiple countries and product lines.

Shipping and Returns

All products are sent in manufacturers condition.
All products are subject to sales tax where applicable.
All products are dispatched within 10 business days of remittance.
All products are subject to manufacturers warranties.
All products returned within 30 days, will be 95% refunded less shipping.
Prices are subject to change without notice.
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