Adams Rite 1870-20-335 Cylinder-Operated Flush Bolt

Adams Rite 1870-20-335 Cylinder Operated Flush Bolt offers a reliable locking solution specifically designed for aluminum stile doors. This flush bolt features a flat face with a sleek black anodized aluminum finish, ensuring both durability and a refined aesthetic. With a 31/32" backset, the bolt prevents accidental locking of the inactive leaf in paired door configurations, enhancing security and convenience. The stainless steel bolt boasts a hexagonal shape with a robust 11/16" throw, ensuring a secure fit. The adjustable cylinder height, standard at 12" with a ±1-1/4" variance, allows for customization to meet your specific needs. Measuring 1" x 6" in case size, the construction is made of steel with corrosion-resistant plating, promising longevity in commercial environments. The faceplate measures 1" x 6-7/8", providing a seamless look and easy installation. This product accommodates standard mortise cylinders with MS® cams, widely available from various manufacturers. Included in the standard package are the lock mechanism with actuator arm, rod/bolt assembly, stainless steel bolt guide, mounting screws, and installation instructions. The Adams Rite 1870-20-335 is an essential component for any commercial door hardware setup, ensuring reliable performance and peace of mind.

Cylinder OpeRated Flush Bolt

Cylinder Operated Flush Bolt, Flat Face, 31/32" Backset, Black Anodized Aluminum Finish

Cylinder Operated Flush Bolt, Flat Face, 31/32" Backset, Black

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 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, thumbturn 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 available separately. Shipping weight: 1-1/4 lbs.

Resources

• 1870 Cylinder-Operated Flushbolt Installation Instructions
• 1870HM Series Cylinder Operated Flushbolt Installation Instructions
• 1877 Cylinder-Operated Flushbolt for Wood Doors Installation Instructions
• B1921, B1923 Full Surface Reinvorcing Pivot Hinges Installation Instructions
• Flushbolts and Pivots Cut Sheet
• MS1880, MS1881 Two-Point Flushbolt Installation Instructions