LSDA Grade 3 Residential Deadbolt with Removable Cylinder

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LSDA Grade 3 Deadbolts are designed for standard duty residential exterior and interior doors which require a positive deterrent to forced entry. They have a full 1″ throw deadbolt with hardened steel rod insert, and revolving cylinder collar that resists any attempts at twist-off.


  • Complies with ANSI/BHMA A156.2, Series 4000 Grade 3
  • Door Thickness: 1-3/8” to 1-3/4” standard
  • Backset: UL adjustable bolt 2-3/8” or 2-3/4” backset
  • Latchbolt: Full 1” throw deadbolt with hardened steel rod insert
  • Handing: non-handed
  • Warranty: 15 year limited mechanical warranty, and 1 year finish warranty, Millennium Brass: lifetime finish warranty
  • Construction: Revolving cylinder collar resists any attempt at twist-off
  • 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.