Medeco 12029006-11-G3 Cylinder...
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$75.48
$65.71
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Medeco 12029006-11-G3 Cylinder Plug for Maxum Deadbolt, Captive Biaxial 6-Pin G3 Keyway Replacement Part

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Model: 12029006-11-G3

In Stock (leaves warehouse same day if ordered before 3pm ET)

$75.48
$65.71
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Medeco 12029006-11-G3 Cylinder Plug for Maxum Deadbolt, Captive Biaxial 6-Pin G3 Keyway

The Medeco 12029006-11-G3 is a precision-engineered replacement cylinder plug designed specifically for the Medeco Maxum Deadbolt. Featuring Medeco's renowned Biaxial technology with a captive design and 6-pin configuration, this cylinder plug is keyed to the restricted G3 keyway for enhanced key control. Finished in Bright Bronze, it is a commercial-grade component suited for direct replacement in compatible Maxum Deadbolt assemblies.

Key Features

  • Biaxial Technology: Medeco's patented Biaxial pin tumbler design rotates and elevates pins to two axes, providing significantly elevated pick resistance compared to standard cylinder plugs.
  • Captive Design: The captive configuration ensures the plug is retained securely within the cylinder housing, preventing removal without authorized disassembly tools.
  • 6-Pin Configuration: Six-pin layout delivers enhanced key combination capacity and increased security over standard 5-pin cylinders.
  • G3 Restricted Keyway: The G3 keyway is a Medeco-controlled restricted keyway, supporting key control programs that limit unauthorized key duplication.
  • Maxum Deadbolt Compatibility: Engineered as a direct-fit replacement plug for Medeco Maxum Deadbolt cylinders, ensuring proper function within the original hardware assembly.
  • Bright Bronze Finish: Factory-applied Bright Bronze finish matches existing Maxum Deadbolt hardware for a consistent, professional appearance.
  • Commercial-Grade Replacement Part: Classified as a commercial cylinder plug replacement part, suitable for professional locksmiths and commercial door hardware service applications.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Cylinder Plug
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: 12029006-11-G3
  • Features: Medeco Tools, Parts and Accessories

Typical Applications

  • Commercial Office Buildings Requiring High-Security Key Control
  • Educational Facilities with Restricted Keyway Programs
  • Healthcare Institutions with Access Management Requirements
  • Government and Municipal Buildings
  • Financial Institutions and Secure Storage Facilities
  • Multi-Tenant Commercial Properties
  • Professional Locksmith Cylinder Replacement and Service Work

Why Medeco Maxum?

Medeco is recognized in the commercial security industry for its Biaxial cylinder technology, which combines pin rotation and elevation on two axes to deliver industry-leading resistance to picking and unauthorized key duplication. The G3 restricted keyway further reinforces key control integrity, making the Medeco 12029006-11-G3 cylinder plug a trusted choice for professional locksmiths and security-conscious facility managers who demand reliable, high-security replacement components for Maxum Deadbolt installations.

Manufacturer Resources

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Cylinder Plug
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
12029006-11-G3
Features:
Medeco Tools, Parts and Accessories

Medeco 12029006-11-G3 – Frequently Asked Questions

1) Will a key from my existing Medeco system work in this plug?
Only if your system runs the G3 keyway. The plug is cut for Medeco's restricted G3 keyway in a 6-pin Biaxial configuration, so keys from a different Medeco keyway or a 5-pin system will not enter or operate it. Match the keyway on your existing Maxum deadbolt before ordering, and expect to key the plug into your system through your Medeco key control program.
2) Does ordering this plug give me a complete cylinder for the deadbolt?
No. The 12029006-11-G3 is the plug only, a component that goes into an existing Maxum deadbolt cylinder housing. If your housing, cam or tailpiece is damaged you need the full cylinder assembly instead, not this part.
3) Is the Corbin Russwin 253K66 rim cylinder plug a substitute for the Medeco 12029006-11-G3?
No. The Medeco 12029006-11-G3 is a cylinder plug built as a direct-fit replacement for the Medeco Maxum Deadbolt, using Medeco Biaxial pin tumbler construction with a captive 6-pin layout and the restricted G3 keyway. The Corbin Russwin 253K66 is a 3000 series rim cylinder plug, so it belongs to a rim cylinder housing rather than a Maxum deadbolt cylinder, and it carries no Medeco Biaxial or G3 keying. If you are servicing a Maxum deadbolt and want the existing Medeco keys to continue to work, the 12029006-11-G3 is the part; the 253K66 applies to Corbin Russwin rim cylinder work.
4) What is the equivalent cylinder plug if the lock on the door is a Corbin Russwin mortise cylinder instead of a Medeco Maxum deadbolt?
Use a Corbin Russwin 1000 series mortise cylinder plug such as the 121K11-D2 or the 121K11-L4, both Grade 1 plug-only parts for 1000 series mortise cylinders, with D2 and L4 denoting different keyway variants. The Medeco 12029006-11-G3 will not cover that opening, since it is machined for the Medeco Maxum Deadbolt cylinder and keyed to Medeco's restricted G3 keyway.
5) What does Biaxial mean on a Medeco plug, and why does it matter for a replacement?
Biaxial pins both rotate and elevate, so the pin chambers in the plug are cut on two axes rather than one. That is what gives the pick resistance, and it also means the plug only accepts keys cut on Biaxial equipment for that keyway. Practically, a locksmith without Biaxial cutting capability and G3 authorization cannot key this plug up.
6) What is a captive cylinder plug and does that change how I service it?
Captive means the plug is retained inside the cylinder housing and will not pull free without the authorized Medeco disassembly tooling. It is a security feature, not an installation convenience, so plan the job around having the correct Medeco service tools on hand.
7) I need a plug for a Corbin Russwin cylinder, not Medeco. What should I be looking at?
This Medeco plug will not go into a Corbin Russwin housing. For Corbin Russwin, the 1000 Series mortise cylinder plug is sold as the 121K11 in keyway variants such as D2 and L4, and for a rim cylinder there is the 253K66 3000 Rim Cylinder Plug. If you are chasing the retaining piece rather than the plug itself, that is the 219F88-8 cylinder plug retainer.
8) My Maxum plug keeps backing out of the cylinder. Do I need the Corbin Russwin 219F88-8 plug retainer?
The Corbin Russwin 219F88-8 is a Grade 1 cylinder plug retainer, a separate retaining component for Corbin Russwin cylinders, not a part that goes into a Medeco Maxum cylinder. The Medeco 12029006-11-G3 handles retention itself: it is a captive design, meaning the plug is held in the cylinder housing and cannot be withdrawn without the authorized disassembly tooling. For a Maxum deadbolt, order the captive plug rather than a separate retainer.
9) What is the difference between the Corbin Russwin 121K11-D2 and 121K11-L4 plugs, and does the Medeco 12029006-11-G3 have the same kind of option?
The 121K11-D2 and 121K11-L4 are both Grade 1 1000 series mortise cylinder plug-only parts from Corbin Russwin, differing in the keyway suffix, D2 versus L4, so you pick the one matching the keyway already in service. The Medeco 12029006-11-G3 works the same way in principle: the G3 suffix identifies the restricted Medeco keyway the plug is cut for, and it is supplied in a 611 Bright Bronze finish to match existing Maxum hardware.
10) For a facility standardizing on a restricted keyway program, does a Corbin Russwin plug give the same key control as the Medeco 12029006-11-G3?
The Medeco 12029006-11-G3 is cut for the G3 keyway, a Medeco-controlled restricted keyway that supports key control programs limiting unauthorized duplication, and it uses Biaxial pin tumbler geometry for elevated pick resistance. The Corbin Russwin comparables are catalog cylinder plugs identified by their own keyway suffixes, such as the D2 on the 121K11-D2, which serve 1000 series mortise cylinders but are a different keying system. Plan your standardization around one platform, since the plugs are not interchangeable across the two.
11) What finish is the Medeco Maxum deadbolt cylinder plug supplied in?
Bright Bronze, finish code 611. That is the only finish offered on this plug, and it is a factory finish meant to match existing Maxum deadbolt hardware so a serviced cylinder does not stand out from the rest of the opening.
12) Is this a commercial part or something a homeowner would buy?
It is classified commercial and sold as a replacement part for professional service work. Typical use is locksmith cylinder replacement in offices, schools, healthcare, government buildings and multi-tenant properties running restricted key control. Between the captive design and the restricted keyway, it is not a DIY swap.
13) Why choose 6-pin over a 5-pin plug when standardizing a building?
Six pins give a larger pool of usable key combinations than a five-pin cylinder, which matters when one master key system has to cover a lot of doors without running out of unique changes. Paired with the restricted G3 keyway, it keeps a large facility's key control intact as the system grows.
How fast can I get the Medeco 12029006-11-G3 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Medeco 12029006-11-G3 come with a warranty?
Absolutely. The Medeco 12029006-11-G3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Medeco 12029006-11-G3?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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