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1700 Series Deadbolt Locks Deadbolts include a rectangular bolt of stainless steel construction with 20mm projection. The locks are deadlocked by a series of cylinders and/or turnbuttons. Lock does not latch as with latching type locks. Latchbolt 20mm Standard Latchbolt (19mm) Special Keying Each locking function can be specially keyed in a Gainsborough 6 pin tumbler system to meet the needs of commercial or residential building requirements. Locks can be keyed alike, master keyed, grand master keyed, maison keyed and project keyed. Product Illustration Description Back Set Cat No#. Deadbolt Cylinder and turnbutton Key locks and unlocks deadbolt from outside Turnbutton locks and unlocks deadbolt from inside 60mm, 90mm, 127mm 17CA Glass Door Deadbolt Double Cylinder Key locks and unlocks deadbolt from both sides 60mm, 90mm, 127mm 17CC Lock up Shop Deadbolt (Cylinder Outside) Cylinder Outside Key locks and unlocks deadbolt from outside 60mm, 90mm, 127mm 17CO Lock up Shop Deadbolt (Cylinder Inside) Cylinder Inside Key locks and unlocks deadbolt from inside 60mm, 90mm, 127mm 17OC Exit Deadbolt Turnbutton inside Turnbutton locks and unlocks deadbolt from inside 60mm, 90mm, 127mm 17OA