3 Series Door Knob

Special Design for standard duty
Meet with ANSI A156.2 Grade 3 Exceeds 250,000 Cycles

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Door Prep: Cross bore 2-1/8"(54mm), Edge bore 1"(25mm), Latch face 1"x2-1/4"(25.4.x57mm).
Door Thick : Fit doors 1-3/8"(35mm) to 2"(50mm) thick.
Backset: 2-3/4"(70mm) standard. 2-3/8"(60mm) optional.
Latch: 2-3/4"(70mm) or 2-3/8"(60mm) fixed standard, adjustable 60/70mm optional.
Cylinder: 5-pin or 6-pin removable core, Schlage C Keyway or Kwikset, or YALE or C4 keyway and other optional.
Faceplate: Square corner 1"x2-1/4"(25.4x57mm) standard, radius corner also available.
Strikes: T-Strike 1-1/2"x2-3/4" (38x70mm) standard, D-Strike 1-1/2" x 2-1/4"(39.5x57mm) optional.
Function: DM(0:Dummy), ET(1:Entrance), BK(2:Privacy), PS(3:Passage), ST(4:Storeroom).