Lock Chassis: Cold rolled steel, with zinc dichromated finish for rust resistance. Latch retractor is precision cast steel. Extra long bearing sleeve offers added support for interlocking tubes and provides for extra lever rigidity. Requires standard 2-1/8″ (53.97mm) bore through door.
Thru-Bolts: Patented flexible adaptor, an eight sided nickel steel alloy mechanism allows for universal thru-bolt location according to door preparation.
OverDrive: Freewheeling lever action occurs when latch retraction mechanism disengages from lever handle when handle is locked.
Backset: 2-3/4″ (69.85mm) standard. 3-3/4″ (95.25mm) and 5″ (127mm) available.
Latch: Brass with 1/2″ (12.7mm) throw standard. 3/4″ (19.05mm) throw deadlocking firelatch is available for pairs of doors. Latch housing is steel, zinc dichromate finish for corrosion resistance. 1″ (25.4mm) bore in edge of door is required.
Latch Front: Brass, bronze or stainless steel. 2-1/4″ (57.15mm) x 1-1/8″ (28.57mm) beveled, 1/8″ (3.175mm) in 2″ (50.8mm).
Exposed Trim: Levers are pressure cast zinc. Streamline rose scalp of brass or bronze complements other series of lever locks.
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