MSS Mechanical
TownSteel’s MSS heavy duty mortise lock with sectional trim is ANSI Grade 1 certified and UL 3-hr listed. The mortise chassis and trim are designed for commercial applications where strength and durability are essential. There are a wide variety of rose and lever designs, along with multiple functions and finishes that help meet the needs of your project.
FEATURES
- Field reversible handing, allows for changing the handing without requiring new hardware
- Armored front plate, stainless steel deadbolt and latch bolt offers security and reliability
- Tamper-proof cylinder collar prevents removing of cylinder by force
- Keying options can accomodate most customer's keying needs and most manufacturer's cylinders, keying options available upon request
- Clutching and rigid mortise chassis available to meet your needs
- Door thickness variations can be met upon request
Please contact a local sales representative in your area for more information and to get started.
We have built our company around the promise of creating durable hardware solutions for your projects. Our complete product line is the result of decades of determined engineering. This allows TownSteel to provide you with the right product to meet your exact specifications.


Specifications
Certifications
ANSI/BHMA A156.13 Grade 1 Certified
UL 10C 3-hour
Compliance
Meets requirements of the Americans with Disabilities Act
Series
MS
Backset
2-3/4", standard
Door Thickness
1-3/4", standard
Handing
Field reversible
LH / RH / LHR / RHR
Mortise Chassis
Clutched*
Rigid
*Available for certain functions only
Cylinder
6-pin with Schlage® “C” keyway, standard
Faceplate
1-1/4" x 8"
Strike
1-1/4" x 4-7/8", ANSI strike, plated / stainless steel
Deadbolt
1” throw, stainless steel, with anti-saw hardened pins
Latch Bolt
3/4” projection, stainless steel, split, anti-friction
Guard Bolt
Stainless steel
Stop Works
Stainless steel, rocker type
Lead Plate
Optional lead lining available
Keying*
Keyed Different, standard
Keyed Alike
Master Keying
Grand Master Keying
Great Grand Master Keying
Construction Keying
*Contact TownSteel for your keying requirements
SC, 6-pin with Schlage® “C” keyway, standard
SFIC6, Small format IC, 6-pin, less core1
SFIC7, Small format IC, 7-pin, less core1
CLFIC, Corbin® large format IC, CLFIC (less cylinder core)
SLFIC, Schlage large format IC, SLFIC (less cylinder core)
HS6, High security 6-pin cylinder with TownSteel “L” keyway
HS7, High security IC, for 6-pin or 7-pin core, less core1
LC, Less Cylinder2
1. Contact factory if core is needed.
2. TownSteel can accommodate most manufacturer’s mortise cylinders or housings. We ask that a sample of your cylinder be sent to us to evaluate and ensure we supply the correct cylinder collar and TownSteel cam necessary to operate the lock correctly.