LSD Series Standard Duty Deadbolts
ANSI Grade 3 
A commercial quality deadbolt that provides a positive deterrent to forced entry.  A massive free spinning cylinder guard ring will withstand massive attempts to force cylinder.  The cylinder recesses into the door to resist blows attempting to move the lock.

Part Numbers 
Single Cylinder LSD-01 Series Double Cylinder LSDD-88 Series
Construction Features: 

1 - Mounting screws 8-32 X1 1/2" (Sgl cyl.)8-32 X 2" (Dbl cyl.)
2 - 2 1/2" dia. tapered cylinder guard and solid metal insert, turns free with any removal attempt.
3 - 2 1/2" dia. tapered cylinder guard and solid metal insert, turns free with any removal attempt.
4 - One-piece solid brass housing for extra strength. 
5 - Handened steel tail piece.
6 - Pick resistant solid brass 6 pin tumbler plug "C".
7 - Brass keys.
8 - Sturdy, all steel latch case and mechanism.
9 - Full 1" throw deadbolt.
10 - Latch and strike screws are 8-32x1" combination wood/machine for applications on wood, metal or fiberglass doors and frames.
12 - Strike and box. 
Specifications
  • Material
    • Wrought brass or stainless steel. 
  • Door Ranges
    • Adjustable 1 3/8" to 1 3/4" door thickness.
  • Backset
    • Adjustable 2 3/8" or 2 3/4".    
  • Strikes
    • 1-1/8" X 2-3/4" square corner.
  • Face Plate
    • Standard 2-1/4" x 1". 
  • Finishes
    • US3, US10B, US26D, US26
    • Other finishes available upon request subject to lead time.
  • Keyway
    • 6 pin high security "C" keyway
    • Additional keyways: Schlage C-K, Sargent LA, Russwin D!, Falcon/Weiser E, Corbin 60, Arrow, Yale 8, Yale GA. 
  • Bore Diameter
    • 1" for latch.  2 1/8" for lock housing.
Extra security 1" throw bolt with 1/4" free spinning and anti-cut through pin.  4" screws greatly strengthens door frames.  Cylinder guard ring.  Solid brass cylinder and massive free spinning.