Adams Rite 1877-313 Cylinder Operated Flushbolt, 1-1/4" Backset, 13-1/2" Cylinder Height, Dark Bronze Finish

1877-313 Adams Rite Flushbolts The 1870 Cylinder-Operated Flushbolt is designed for aluminum-style doors. Cylinder Operated Flushbolt, 1-1/4" Backset, 13-1/2" Cylinder Height, Dark Bronze The 1870 Cylinder-Operated Flushbolt is designed for aluminum stile doors. Prevents accidental locking of the inactive leaf of paired doors. Cylinder Backset: 31/32" or 1-1/8" only Cylinder Height: Standard length (cylinder center to retracted bolt tip) is 12" with  1-1/4" adjustment. Other lengths are available by special order. Case: Measures 1" x 6" x depth. Depth varies by backset (see table on catalog page). Steel with corrosion-resistant plating. Bolt: Hexagonal 3/8" flat to flat, with 11/16" throw. Made of stainless steel. Strike: 1/2" diameter hole in metal threshold or header is suitable. For wood thresholds, 4005 strike is available separately. Faceplate: Measures 1" x 6-7/8". Cylinder Cam: Operable by any standard mortise cylinder with MS ® cam, dimensioned as shown. Cylinders with MS ®