The 1870 Cylinder-Operated Flushbolt is designed for aluminum stile 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 ® cams can be readily obtained from most cylinder manufacturers. See CYLINDERS for cylinder make, thumb turn, and trim ring information.
• Standard Package: Basic lock mechanism boxed with actuator arm attached, rod/bolt assembly unattached. Stainless steel bolt guide, mounting screws, and installation instructions included. Cylinders are available separately. Shipping weight: 1-1/4 lbs.

Adams Rite 1870HM-628 Cylinder Operated Flushbolt, Hollow Metal, 1-1/4" Backset, 628 Aluminum Finish

1870HM-628 Adams Rite Flushbolts The 1870 Cylinder-Operated Flushbolt is designed for aluminum stile doors. Cylinder Operated Flushbolt, Hollow Metal, 1-1/4" Backset, Aluminum