4870 Series

Specifications

• For Doors 1-3/4" (44 mm) standard (For thicker doors, consult factory)
• 2-3/4" (70mm) backset only
• Strike: #480, 3-1/2"(89mm) x 1-1/8"(29mm). For strike box, specify WBS when ordering
• Bolt: Laminated Stacked Steel Deadbolt with Hardened Pin and a 1" throw
• Cylinder: Brass 6-pin. Two nickel silver keys per lock (control key must be ordered separately, when required) 
• Cylinder ring: 97 Rosette (standard with #41 cylinder), 1 KB rosette available on order
• Case: Heavy wrought steel; .093 thick, protected with a zinc dichromate finish

• Outside Front Plate: Brass, bronze, stainless steel, 4-5/8 in. x 1-1/ 8". Adjustable for flat or beveled doors (bevel adjustment 1/8", in 2 in)
• Non-handed, completely reversible (except for 74-)
• Thumb-turn:130W ADA thumb turn (standard); optional larger thumb turn (specify LB-) 
• UL/cUL Listed: Listed for use on fire doors