Assa Mortise Cylinder

  • Drill resistant cylinder housing and plug
  • Case-hardened steel inserts and stainless steel pins
  • Two independent locking mechanisms to ensure optimum pick resistance
  • Inactive “false” grooves on side pins designed to increase pick resistance
  • Counter mill in each chamber position to further enhance pick resistance
  • Extremely close tolerances
  • Can be easily rekeyed in the field
  • With the purchase of one inexpensive kit, 1-1/8" mortise cylinder is easily converted to rim cylinder

G.S.A. Contract Holder
This item is available on our
GSA contract # GS-07F-5498R
Pricing varies based on options selected below.



ASSA provides a full line of mortise cylinders designed to retrofit into most leading lock manufacturers' locksets and exit devices including Sargent, Arrow, Schlage, Yale, Corbin-Russwin, Best, and Von Duprin. ASSA mortise and rim cylinders are also available in removable core for quick and easy rekeying capabilities.

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