Features:

• Fits 1-3/8" (35 mm) to 1-3/4" (44 mm) thick standard; For doors over 1-3/4" (44 mm) consult factory (2-1/4" Thick door max).
• Door Prep: Fits 161 (standard) cut outs and Fits 160 with 2-3/8" backset with 1" front and for 1-3/8" think door.
• Backsets: 2-3/4" (70 mm) standard. 2-3/8" (60 mm) available (20 prefix).
• Strike: Wrought brass, bronze or stainless steel.
• Bolt: Solid steel with hardened steel pin insert and nickel silver plating; 7/8" (22 mm) x 5/8" (16 mm) throw.
• Cylinder: Brass, 6 pin. 2 nickel silver keys.
• Masterkeying: Can be masterkeyed. Construction key system available.
• Specification: Meets ANSI A156.5 Grade 1 requirements with 408 or 488 strike.
• Front: Wrought brass, bronze or stainless steel 2-1/4" (64 mm) dia.; 60, 63, 64 prefix housing; brass and zinc, two piece. Concealed screws on double cylinder function.
• UL/cUL Listed: UL listed to US and Canadian safety standards.
• Positive pressure: Conforms to standards UL 10 C and UBC 7-2 (1997).
• 1 3/8 inch to 1 3/4 inch thick doors standard.
• Meets ANSI A156.5 Grade 1 requirements.
• 2 3/4 inch backset standard, 2 3/8 available (20 prefix).
• Solid steel bolt with hardened steel pin insert and nickel silver plating.
• Brass cylinder, 6-pin. 2 nickel silver keys.

• Heavy Duty Industrial Applications.
• Security Applications.