Adams Rite MS1880/MS1881 Two-Point Flushbolts with Interlock Mechanism
Professional Two-Point Security Solution for Paired Door Applications
The Adams Rite MS1880/MS1881 Two-Point Flushbolts provide enhanced security and convenience for paired door installations, replacing traditional flip-lever flushbolts with a single-operation design. These flushbolts feature hexagonal 3/8" stainless steel bolts with 23/32" throw and an integrated interlock mechanism that prevents entry of the pivoted bolt until vertical bolts are secured. Designed for doors up to 84" with optional Tall Door Kit TDK-1880 available for doors up to 120".
Professional Features & Benefits
- Specifically engineered for narrow stile aluminum doors
- Hollow metal and wood door options available
- Accepts standard Adams Rite MS® cam mortise cylinders
- Multiple finish options: US3, US4, US10B, US32, US32D
- UL Listed models available
- Compatible with Adams Rite electric strikes for access control
- An ASSA ABLOY Group brand
Technical Specifications
- For complete technical specifications, contact Adams Rite at 1-800-626-7590 or visit adamsrite.com.
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness and height compatibility for this flushbolt system.
- Use manufacturer-provided templates to mark mounting hole locations accurately on the inactive door leaf and frame surfaces.
- Prepare door by drilling required holes for the flushbolt mechanism and routing as specified in manufacturer instructions.
- Install bolt guides in header and threshold, ensuring proper alignment for 23/32" bolt throw engagement.
- Mount the flushbolt mechanism and secure all mounting hardware per manufacturer torque specifications.
- Test operation by turning knob 180° clockwise to engage bolts and verify proper interlock function with the paired MS pivoted deadlock. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Commercial Office Building Paired Doors
- Educational Facility Double Door Systems
- Healthcare Institution Security Doors
- Retail Store Entry and Exit Points
- Industrial Facility Access Control
- Multi-Tenant Residential Properties
- Government and Municipal Building Security
Why Choose Adams Rite Quality?
Adams Rite MS1880 flushbolts deliver professional-grade security with all-steel interlock mechanisms and stainless steel bolt construction engineered for demanding commercial applications. The 5-year manufacturer warranty and comprehensive installation package demonstrate Adams Rite's commitment to reliable performance where dependable door security is essential.
Manufacturer Resources
Product Specs
- Series:
- MS1880 Series
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Flush Bolts
- Subcategory:
- Flushlocks
- Commercial/Residential:
- Commercial
- Warranty:
- 5 Year
- Product Model:
- MS1880
- Product Dimension:
- 1 1/2" x 6 7/8" x 1 1/4"
- Product Category:
- Door Trim and Accessories
- Department:
- Door Hardware
- Product Type:
- Flush Bolts