Medeco Biaxial 105500W Standar...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$324.00
$316.43
Medeco Biaxial 105500W Standard 6-Pin Mortise Cylinder, 2"–5" Length, Straight Cam, G3 Keyway

Medeco Biaxial 105500W Standard 6-Pin Mortise Cylinder, 2"–5" Length, Straight Cam, G3 Keyway

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Model: 105500W-26-G3P
$324.00
$316.43
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$324.00
$316.43
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Medeco Biaxial 105500W Standard 6-Pin Mortise Cylinder, 2"–5" Length, Straight Cam, G3 Keyway

The Medeco Biaxial 105500W is a high-security, Grade 1, heavy-duty 6-pin mortise cylinder engineered for demanding commercial applications. Featuring Medeco's renowned Biaxial technology with a G3 keyway, this cylinder is available in lengths from 2" to 5" and includes a straight cam that operates the lock mechanism when screwed into compatible mortise lock cases. Constructed from brass and UL 437 listed for drill and pick resistance, it delivers exceptional physical attack protection while supporting patented key control to prevent unauthorized key duplication.

Key Features

  • Versatile Length Range: Available in 2" to 5" lengths to accommodate a wide variety of mortise lock case configurations and door preparations.
  • Biaxial High-Security Technology: Medeco's Biaxial design requires keys to be elevated, rotated, and aligned correctly before the cylinder rotates, providing superior resistance to picking and bumping attacks via a precision sidebar mechanism.
  • Patented Key Control: Protects against unauthorized duplication of keys, ensuring that only authorized personnel can obtain copies — ideal for master key systems and high-security environments.
  • UL 437 Listed: Certified for drill and pick resistance, meeting rigorous standards for high-security cylinder performance in commercial applications.
  • G3 Keyway, 6-Pin Configuration: The G3 keyway with 6-pin tumbler system provides an expanded key combination matrix for robust master keying and restricted key programs.
  • Broad Hardware Compatibility: Threaded exterior shell with straight cam design retrofits most manufacturers' mortise lock cases on the market, secured in place with a set screw for reliable installation.
  • Special Angle-Cut Keys: Requires a specialized key cutting machine and Medeco-specific key blanks, available in a variety of restriction levels to support every security need.
  • Master Key Capable: Can be masterkeyed into a system containing Medeco M4 BiLevel cylinders, offering flexible key hierarchy management across large facilities.
  • Heavy-Duty Brass Construction: Precision-machined brass substrate delivers long-term durability and corrosion resistance for high-traffic commercial door hardware installations.

Certifications & Compliance

  • UL 437 Listed — Drill and Pick Resistance
  • BHMA Grade 1
  • Heavy Duty Commercial Rating

Technical Specifications

  • Product Group: Parts and Accessories
  • Cylinder and Keyways: G3 Keyway, 6-Pin
  • Commercial/Residential: Commercial
  • Grade: Grade 1
  • Duty Level: Heavy Duty
  • Technology: Biaxial
  • Product Model: 105500W
  • Product Category: Parts and Accessories
  • Product Substrate: Brass
  • Department: Door Hardware

Typical Applications

  • Commercial Office Buildings Requiring Restricted Key Access
  • Educational Facilities and Campus Master Key Systems
  • Healthcare Institutions with Controlled Access Requirements
  • Government and Municipal Buildings
  • Retail Establishments with High-Security Lock Needs
  • Multi-Tenant Residential and Mixed-Use Properties
  • Industrial and Warehouse Facilities with Sensitive Access Zones

Why Medeco Biaxial?

Medeco Biaxial mortise cylinders are built to the highest commercial security standards, combining UL 437 listed drill and pick resistance with patented key control technology in a heavy-duty brass construction rated Grade 1. The Biaxial sidebar mechanism ensures that only precisely cut, angle-specific keys can operate the cylinder, making it one of the most physically and mechanically secure cylinder platforms available for professional door hardware applications.

Manufacturer Resources

Medeco Product Catalog

Product Specs

Subcategory:
Mortise
Product Group:
Parts and Accessories
Product Subgroup:
Cylinders
Product Type:
Mortise Cylinder
Cylinder and Keyways:
G3 Keyway, 6-Pin
Commercial/Residential:
Commercial
Grade:
Grade 1
Duty Level:
Heavy Duty
Technology:
Biaxial
Product Model:
105500W
Product Category:
Parts and Accessories
Product Substrate:
Brass
Department:
Door Hardware

Medeco 105500W-26-G3P – Frequently Asked Questions

1) What length Medeco Biaxial mortise cylinder do I need for my door and lock case?
Mortise cylinder length is set by the door thickness plus the lock case and any trim ring behind the collar, so measure the existing cylinder from the face of the collar to the back of the shell before ordering. The Medeco Biaxial 105500W is offered in 2, 2-1/4, 2-3/8, 2-1/2, 2-3/4, 3-1/4, 4-1/8 and 5 inch lengths, which covers a standard 1-3/4 inch commercial door with a normal mortise case at the short end and thick doors, armored fronts or deep pulls at the long end. A cylinder that sits proud of the collar is a security problem, so match the length rather than rounding up.
2) Will a Medeco Biaxial mortise cylinder screw into my existing Sargent, Yale or Corbin mortise lock?
The 105500W uses the standard threaded mortise shell and a straight cam, and Medeco states it retrofits most manufacturers' mortise lock cases, held by the set screw in the lock face. Two things decide it on your opening: the cylinder length has to suit the door and case, and the cam has to match what your lock body wants. A straight cam suits cases that take a straight blade, but plenty of mortise locks need a different cam profile, so pull the existing cylinder and compare the cam before you order.
3) Can Medeco Biaxial cylinders be master keyed across a building, and can I add them to a system I already run?
Yes. The Biaxial 105500W is a 6-pin G3 keyway cylinder, and the 6-pin platform with the Biaxial sidebar gives enough combinations for a real master key hierarchy across a campus or multi-tenant building. It can also be masterkeyed into a system that contains Medeco M4 BiLevel cylinders, so a facility that is part way through a conversion does not have to run two separate keying programs. Order keyed alike where a group of doors shares one key, keyed different where each opening stands alone, or to key code when you are extending an existing system and the code is on file.
4) Does this Medeco cylinder work in a rim lock or a knob or lever lockset?
No. The 105500W is a mortise cylinder, meaning a threaded shell that screws into a mortise lock case. It will not fit a rim exit device, which takes a rim cylinder with a tailpiece, and it will not fit a bored knob or lever lockset, which takes a key-in-knob cylinder. If the lock body in your door is a rectangular case set into a pocket in the door edge, a mortise cylinder is what you need. Deadbolts vary, so check whether yours is threaded for a mortise cylinder before ordering.
5) Is a Medeco Biaxial cylinder worth it over a standard commercial cylinder for a high security opening?
It buys you two things a conventional pin tumbler cylinder does not. First, physical attack resistance: the 105500W is UL 437 listed for drill and pick resistance and carries a BHMA Grade 1, heavy duty commercial rating. Second, key control, because Biaxial keys are angle cut and need a specialized cutting machine and Medeco key blanks, which is what actually stops a tenant or a departing employee from walking into a hardware store for a copy. If the opening only needs a working lock and nobody cares who holds a duplicate, a standard cylinder does the job. If the door protects records, drugs, cash or a server room, that is where this platform earns its place.
6) What is the difference between ordering a Medeco cylinder pinned versus sub-assembled?
Pinned means the cylinder arrives built to a keying assignment and ready to install. Sub-assembled means it comes without the final pinning so a locksmith or an in-house shop with Medeco tooling pins it to the system on site. If you are a property manager or a contractor installing and walking away, order pinned. Sub-assembled is for shops running their own restricted Medeco program on the G3 keyway who want to combinate the 105500W into an existing master system themselves.
7) Can my local hardware store cut keys for a Medeco Biaxial G3 cylinder?
No, and that is the point of the platform. Biaxial keys are angle cut and require a specialized key cutting machine plus Medeco specific key blanks, which are sold under patented key control in a range of restriction levels. Duplicates come from an authorized Medeco dealer against your authorization, not from a counter machine. Budget for that in your operations plan before standardizing a facility on G3, because it changes how you handle lost keys and turnover.
8) Is a Medeco Biaxial 105500W rated for a high traffic commercial entrance?
Yes. It is a commercial, heavy duty, BHMA Grade 1 cylinder in machined brass, which is the tier specified for main entrances, stairwells and other openings that see constant cycling. Grade 1 is the highest BHMA durability tier, so an office lobby, school corridor or hospital entry is within what this cylinder is built for.
9) I need to key several new doors alike to one key. How do I order Medeco Biaxial cylinders that way?
Choose keyed alike and all cylinders on that order operate from the same key, which is what you want for a suite of doors, a set of storage rooms or a tenant space with front and rear entries. Keyed different gives each cylinder its own key for separate tenants or individual offices. Key code is the one to use when you are adding to an existing Medeco system and you have the code on record, so the new 105500W cylinders drop straight into the keying schedule already in place rather than starting a second system.
10) Can I get a Medeco mortise cylinder that matches oil rubbed bronze or satin nickel hardware on the rest of my doors?
Thirteen finishes are offered on the Biaxial 105500W: 20 antique nickel, 605 bright brass, 606 satin brass, 609 antique brass, 611 bright bronze, 612 satin bronze, 613 dark bronze oil-rubbed, 618 bright nickel, 619 satin nickel, 622 flat black, 624 dark bronze, 625 bright chrome and 626 satin chrome. For a building standardizing on one look, 626 satin chrome and 613 dark bronze oil-rubbed are the two that most commonly match existing commercial lever and mortise trim. The cylinder body is brass under the finish.
How fast can I get the Medeco 105500W-26-G3P 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 105500W-26-G3P come with a warranty?
Absolutely. The Medeco 105500W-26-G3P 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 105500W-26-G3P?
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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