Marks USA manufactures a versatile series of Grade 1 Deadlatches and Deadbolts which install easily and accept most other manufactures conventional, high security and IC Core cylinders.

Marks USA offers electrified models in both mortise and cylindrical locksets in various functions. Mortise locks and solenoid operated in 6, 12, or 24 VDC. Cylindrical locks are offered with solenoid motor actuators.All locks are supplied with bridge rectifiers for use with either AC or DC current.

Marks USA Tubular Locksets are available with the same trim as supplied on our mortise locks designs. These sets feature heavy duty solid brass or stainless steel trims that feel substantial and comfortable to the hand. All of our knobs and levers are permanently attached to roses at the factory, so there are no annoying set screws to loosen and fall out. Rose designs are offered in round and square shapes, with all mounting screws concealed.

Marks USA has been making mortise locks for over 30 years. From their introduction, our mortise locks have enjoyed a reputation for long life and their ability to excel in high traffic, high abuse areas. Marks USA mortise locks are engineered to provide years of maintenance-free performance. Our Nova Series Mortise Locks exceed 6 million cycles of continuous use.

Marks USA Cylindrical Locksets are designed for use in situations where durability is the deciding factor. Our cylindrical lock chassis are all constructed with cast retractors on bronze roller bearings. This strong, durable component gives our cylindrical sets the ability to last millions of cycles and is available in knob and lever sets.

With its truly unique design the MUL-T-LOCK Hercular deadbolt is truly spectacular. The Hercular is reinforced in just about every way possible. From a UL437 Listed Cylinder, to strong latch, to Bolt Bearing Mechanism, the Hercular Deadbolt will stop almost any attempt at forced entry. Strength usually does not mix with Flexibility. Not in the case of the He

Unique,high precision 10 telescopic pin tumbler system. Pick and drill resistant for high security needs.

Medeco deadbolts offer strong physical protection and key control to fit your security needs.

Medeco deadbolts offer strong physical protection and key control to fit your security needs.

For use on commercial and residential doors to provide jimmy resistant locking.

For use on commercial and residential doors to provide jimmy resistant locking.

The ultimate rim cylinder protection. For use on residential, commercial and institutional doors.

Mortise lock for installation into edge of door to provide single point dead locking.Uses Euro profile cylinder.

High security deadbolt system for commercial and residential doors.

For securing drawers and small cabinets

For securing drawers and small cabinets

Yale 7000 series exit devices deliver an unparalleled combination of durability, breadth of line, innovation and aesthetics.

Providing a higher standard of ANSI Grade 1 performance, the 2100 series exit device is the right choice for meeting the rigors of everyday use in even the toughest applications where placed architectural finishes are not required.

Yale's 1500 Series Traditional Crossbar Exit Devices are the perfect solution for modern retrofit applications and maintaining the look and integrity of historic architectural motifs.

Sargent's line of exit alarms is designed to signal a violation when a door is used for unauthorized exit or passage. The 540 Series provides alarm indication with no locking function.

SARGENT 550 Series Sargent's line of exit alarms is designed to signal a violation when a door isused for authorized exit or passage. The 550 Series provides alarm indication with no locking function.

Sargent's line of exit alarms is designed to signal a violaton when a door is used for unauthorized exit or passage. The 5100 series combines the security of an alarm in a durable, secure package.