The 1871-20-313 from Adams Rite is a Standard Cylinder-Operated Flushbolt with Radius Faceplate in Dark Bronze. The 1871-20-313 series Flushbolt is specifically designed for greater key control specially for the aluminum stile doors that prevents accidental locking of the inactive leaf of paired doors. It uses same basic over-center action mechanism as MS pivoted bolt deadlocks. It is recommended for installation at both top and bottom of inactive door with MS1850S Deadlock in active door for greatest security. The 360 degree turn of key throws or retracts the hex-section bolt and the key can be removed only when bolt is in a positively locked or unlocked position. It may be installed to lock at threshold or at header.
Features
- Dark Bronze Anodized Finish: Provides a sleek and durable exterior that enhances the aesthetic appeal while resisting corrosion.
- Non-handed operation: Allows for flexible installation on either side of the door, accommodating various door configurations.
- Cylinder Backset: 31/32″ backset ensures compatibility with standard door preparations for easy installation.
- Corrosion-resistant steel case: Measures 1″ x 6″ x depth (depth varies by bracket) ensuring long-lasting performance in demanding environments.
- Faceplate dimensions: 1″ x 6-7/8″ faceplate provides a clean, professional look that integrates well with most doors.
- Standard mortise cylinder compatibility: Accepts any standard 1-5/32″ mortise cylinder from either or both sides, offering versatility in locking solutions.
- Hexagonal stainless steel bolt: 3/8″ flat to flat bolt with an 11/16″ throw provides robust security and durability.
- Adjustable cylinder height: Standard height of 12″ with ± 1-1/4″ adjustment allows for precise fitting to various door heights.
- Strike hole compatibility: 1/2″ diameter hole in metal threshold or header is suitable for strike, simplifying installation.
Adams Rite 1871-20-313 Flushbolt Specifications
| Finish | Dark Bronze Anodized |
| Operation | Non-handed |
| Cylinder Backset | 31/32″ |
| Case Material | Steel with corrosion-resistant plating |
| Case Dimensions | 1″ x 6″ x depth (varies by bracket) |
| Faceplate Dimensions | 1″ x 6-7/8″ |
| Morse Cylinder Compatibility | 1-5/32″ mortise cylinder |
| Bolt Type | Hexagonal 3/8″ flat to flat with 11/16″ throw |
| Cylinder Height | 12″ with ± 1-1/4″ adjustment |
| Strike Hole | 1/2″ diameter |



















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