LSDA Grade 2 Commercial Deadbolt

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LSDA Grade 2 Deadbolts have a massive 1″ throw adjustable backset bolt with hardened steel rod to resist sawing, and a security strike with 3″ long screws. They also have a rotating collar with inserts that resist wrenching, and are UL/ULC listed for 3 hour doors. They are available in single and double cylinder, as well as IC Core.


  • Complies with ANSI/BHMA A156.2-2003, series 4000 Grade 2 certified
  • Door Thickness: 1-3/8” to 1-3/4” standard
  • Backset: adjustable 2-3/4” or 2-3/8”
  • Latchbolt: 1” throw UL listed 3 hour fire rated
  • Handing: non-handed
  • Strike: security strike with 3” screws to resist kick-in attacks
  • Warranty: 15 year limited mechanical warranty, and 1 year finish warranty
  • Construction:

Rotating collar with inserts that resist wrenching

All metal construction

All exposed components are brass or stainless steel

Bolt with hardened steel rod to resist sawing

  • Compatible with many retrofit cylinders


Schlage "C"



Single Cylinder Deadbolt

Turning inside turn button, or key on outside, locks outside deadbolt until unlocked with a key or inside turn button. Inside turn button always retracts latch.

Double Cylinder Deadbolt

Both sides of deadbolt fixed. Entrance by key in either side.