Adams Rite 1870HM-335 Cylinder-Operated Flush Bolt

Adams Rite 1870HM-335 Cylinder Operated Flush Bolt is expertly crafted for aluminum stile doors, offering durability and reliability in high-traffic environments. Designed with a 1-1/4" backset and finished in sleek black anodized aluminum, this flush bolt prevents the accidental locking of the inactive leaf in paired doors, ensuring seamless operation. The 1870 model features a hexagonal stainless steel bolt with a robust 11/16" throw, providing superior strength and security. The case measures 1" x 6", constructed with steel that has corrosion-resistant plating, enhancing its longevity even in demanding conditions. With a standard cylinder height of 12" and adjustable options, installation is straightforward and adaptable to various setups. This flush bolt includes a 1/2" diameter strike hole suitable for metal thresholds, while a specialized strike for wood thresholds is available separately. The lock mechanism comes complete with an actuator arm, stainless steel bolt guide, and mounting screws, making it easy to install. Cylinders can be obtained separately from most manufacturers, allowing for customization to meet specific security needs. Weighing just 1-1/4 lbs, the Adams Rite 1870HM-335 is an essential choice for both commercial and residential applications.

Cylinder OpeRated FlushBolt

Cylinder Operated Flush Bolt, Hollow Metal, 1-1/4" Backset, Black Anodized Aluminum Finish

Cylinder Operated Flush Bolt, Hollow Metal, 1-1/4" 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