Hager 275D/276D Steel Surface Bolt with 1" Bolt Throw and Universal Strike System
Professional Fire-Rated Surface Bolt Solution
The Hager 275D/276D Steel Surface Bolt delivers reliable door securing performance with a 1" bolt throw and 1/4" by 3/4" bolt size for commercial applications. This UL listed surface bolt meets ANSI A156.16 standards and is certified for use on inactive leaf on a pair of 3-hour labeled fire doors. The steel construction features a 3/4" x 1/4" thick bar with 1-3/8" projection, and includes both mortise bottom strike and universal top strike for versatile installation options.
Professional Features & Benefits
- Precision Bolt Specifications: 1/4" by 3/4" bolt size with 1" bolt throw provides secure engagement for reliable door positioning.
- Fire-Rated Certification: UL listed for use on inactive leaf on a pair of 3-hour labeled fire doors ensures code compliance in critical applications.
- Heavy-Duty Steel Construction: Steel material with 3/4" x 1/4" thick bar construction delivers exceptional durability for commercial use.
- Universal Strike System: Includes both mortise bottom strike and universal top strike for flexible installation configurations.
- Anti-Creep Design: Strong tension springs prevent bolt creep, maintaining consistent positioning and security.
- ANSI Compliance: Meets ANSI A156.16 standards for L04161 or L84161 applications ensuring professional-grade performance.
- Complete Hardware Package: Includes eight #10 x 1-1/4" FPHWS and eight #10 - 24 x 1" undercut FPHMS fasteners for immediate installation.
- Multiple Finish Options: Available in US3, US10B, and US26D finishes to match existing door hardware aesthetics.
Technical Specifications
- Bolt Throw: 1" (25 mm)
- Box Quantity: 1
- Case Quantity: 12
- Certifications: UL listed for use on inactive leaf on a pair of 3-hour labeled fire doors
- Commercial/Residential: Commercial
- Fasteners: Eight #10 x 1-1/4" FPHWS Eight #10 - 24 x 1" undercut FPHMS
- Finishes: US3, US10B, US26D
- Material: Steel
- Notes: Mortise bottom strike and universal top strike included
- Projection: 1-3/8" (35 mm)
- Subcategory: Surface, Barrel and Dutch Door Bolts
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose Hager Quality?
Hager surface bolt products deliver professional-grade reliability with steel construction and UL listing for 3-hour fire door applications. The precision-engineered tension spring system prevents bolt creep while maintaining consistent security performance. Engineered for demanding commercial applications where dependable fire-rated door hardware performance is essential.
Support Resources
Manufacturer Resources
Product Specs
- Fasteners:
- Eight #10 x 1-1/4" FPHWS Eight #10 - 24 x 1" undercut FPHMS
- Product Group:
- Door Trim and Accessories
- Commercial/Residential:
- Commercial
- Product Subgroup:
- Surface, Barrel and Dutch Door Bolts
- Product Type:
- Surface Bolt
- Subcategory:
- Surface, Barrel and Dutch Door Bolts
- Product Model:
- 275D/276D
- Product Substrate:
- Steel
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware