• For use on storeroom, utility, exit doors.• Latchbolt retracted by key outside, knob/lever inside.• Outside knob/lever rigid at all times.• Inside knob/lever always active.• Deadlocking latchbolt.The Yale 8800 series mortise lock is an industry standard product. Suitable for installation on doors 1-3/4" to 3-1/4" thick with standard trims, these products have a 1" throw stainless steel deadbolt. The latchbolt is 3/4" throw with stainless steel two-piece antifriction camming action.The 8800FL meets accessibility guidelines of the Americans with Disabilities Act and the requirements of the Uniform Federal Accessibility standards and ANSI 117.1, all requiring ease of accessibility for the handicapped.Certified ANSI/BHMA A156.13, Series 1000, Operational Grade 1 (8800FL with CN escutcheon & SL8800 meet Security Grade 1).Yale 8800 series fronts are freefloating to adjust from flat to the standard bevel doorStandard for 1-3/4" thick doors. 8800 series mortise locks conform to ANSI/BHMA Specifications A156.115 which cover hardware preparations for steel doors and steel frames and A156.115-W which cover hardware preparations for wood doors with wood or steel frames.Designed and manufactured under a certified ISO 9001 quality system.Yale 8800 series mortise locks have been listed by Underwriters Laboratories Inc. for use on fire doors having a rating up to and including 3 hours and for use on 20 minute wood doors. This pertains to single swing doors not exceeding 4 feet in width and 8 feet in height and in doors mounted in pairs not exceeding 8 feet in either direction (unless otherwise noted in the individual listings.)
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