Cylindrical Locks

  • Exit Device Fundamentals

    Installing the Yale YM Series exit device and trim

    Article • February 1st, 2009

  • The Story of LAGSTRIKE

    Reinforcing the door jamb strengthens the weakest link on a residential door lock.

    Article • February 1st, 2009

  • Survivor HI-SECURITY™

    Marks USA's durable Survivor series of cylindrical lever locksets is offered in four lever styles, conventional cylinder, or IC core for "Best" size cores, Schlage® as well as others. Marks locksets feature a lifetime mechanical warranty. All...

    Product • January 21st, 2009

  • PD Series

    MARKS USA introduces its Institutional Life Safety Hospital Push/Pull PD Series Locksets. The unique hospital passage function cylindrical chassis and 13 mortise body push/pull function locksets feature universal assemblies where you can choose to...

    Product • January 21st, 2009

  • Hospital Products Brochure

    Download Alarm Lock's new Health Care Brochure today to learn about low-cost, easy-to-install lock offerings to the medical community. Alarm Lock's Grade 1 BHMA certified standalone access control locks are feature rich with audit trail, multi-users...

    Product • January 21st, 2009

  • DOOR LOCK UPGRADE: From Cylindrical Lock To Mortise Lock

    This modification provided the capability of a deadbolt and dead latch in one lock (mortise) mechanism while maintaining the integrity of the door.

    Article • January 1st, 2009

  • Access Control Goes Wireless

    Wireless systems are ideal for any retrofit or new construction application where wiring is difficult or impractical, or where the cost of traditional wired online access control is prohibitive.

    Article • January 1st, 2009

  • Expanded Warranty

    Falcon Door Hardware customers will now get a new 10-year warranty on Falcon locks, exits and closers shipped on or after Nov. 1, 2008. These products are warranted to be free from defects in materials and workmanship when used according to...

    Product • December 16th, 2008

  • Survivor High Security

    Marks USA Survivor series locksets are offered in four lever styles, conventional cylinder, or IC core for "Best" size cores, Schlage® as well as others. Marks locksets feature a lifetime mechanical warranty. All functions are available in seven...

    Product • December 16th, 2008

  • FireKing® cylinder

    The new Mul-T-Lock FireKing® file cabinet cylinder is the only high security solution that allows the full integration of FireKing® file cabinet locks into Mul-T-Lock keyed different, keyed alike or master keyed systems. Before now, securing most...

    Product • December 16th, 2008

  • Hybrid Cylinder

    Medeco Hybrid Cylinders incorporate the functions of common online access control readers into an offline retrofit cylinder.  With this technology, mechanical and electronic access control systems can be easily merged for absolute flexibility...

    Product • December 16th, 2008

  • Installing the Securitech Securiguard 6300 Magnetic Cylinder Protector

    In this application, a contractor wanted to prevent his subs from using their keys in the lock after hours. Using the Securiguard, the contractor controls when access is available for those who have a rim cylinder key.

    Article • November 1st, 2008

  • The Ultimate Lock Solution

    Existing door locks do not fully utilize the strongest structural part of a door system, the door frame. The two-part Ultimate Lock system holds the deadbolt firmly in position, strengthening the section of the door adjacent to the deadbolt.

    Article • November 1st, 2008

  • Increasing Security with the PDQ Industries XGT 135 Cylindrical Leverset

    In case of an emergency, this classroom function lock can be secured from inside the classroom or office, so occupants don’t have to step outside to lock or unlock the outside lever. The inside lever is always free for egress.

    Article • November 1st, 2008

  • Custom Catalog

    MARKS USA's new Custom Levers, Knobs & Escutcheons catalog has over 250 images of standard and custom design decorative locksets which have been installed in a variety of worldwide projects: The Plaza Hotel and Condominiums, New York, The Visionaire...

    Product • October 23rd, 2008