Hager 291D US10B Automatic Flush Bolt Dark Bronze

Product Description

The HAGER 291D US10B is an automatic flush bolt designed for use in paired door assemblies where the inactive leaf must be secured to the door frame or floor. The bolt operates automatically, engaging when the door closes without requiring manual action from the user. The face plate measures 1 inch wide by 8.5 inches tall, providing a low-profile mount along the door edge. Bolt throw is 3/4 inch with a 3/4 inch backset and a 1/2 inch square bolt head. The finish is Dark Oxidized Satin Bronze Oil Rubbed, designated US10B. This hardware is installed by licensed door hardware technicians or commercial carpenters on wood or hollow metal door systems.

Automatic flush bolts are used on the inactive leaf of a pair of doors in commercial and institutional applications. Typical installations include office corridors, stairwells, and vestibules where paired doors are required by code. The included mortise strike measures 15/16 inch by 2-1/4 inches and mounts into the door frame head or floor. This bolt is suited for projects specifying US10B finish hardware throughout the opening.

Key Features

• Automatic operation - bolt engages on door close without manual input
• Face plate: 1 inch x 8.5 inches for flush, low-profile door edge mount
• Bolt throw: 3/4 inch with 3/4 inch backset
• 1/2 inch square bolt head for positive frame engagement
• Includes 15/16 inch x 2-1/4 inch mortise strike
• US10B Dark Oxidized Satin Bronze Oil Rubbed finish for consistent hardware scheduling

Compatibility

Designed as an OEM-style replacement or new-installation flush bolt for paired door assemblies requiring automatic top or bottom bolt retention on the inactive leaf.

Installation Notes

Installation is typically performed by a commercial door hardware technician or licensed carpenter. Mortise the door edge and frame or floor to accept the bolt body and strike before fastening. Confirm door alignment and gap tolerances before final installation to ensure reliable bolt engagement. Follow applicable building code requirements, including IBC provisions for paired door hardware in means-of-egress openings.