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Rockwood 555 Manual Lever Extension Flush Bolt for Metal Doors
The Rockwood 555 Manual Lever Extension Flush Bolt is the industry-standard solution for securing the inactive leaf of fire-rated hollow metal swinging doors. Specifically engineered for doors up to 4'w x 10'h, this heavy-duty brass bolt ensures your double door assembly meets rigorous building codes and safety requirements. By projecting a 3/4" bolt throw into the frame head and floor, the Rockwood 555 provides the stable latching point necessary for the active door to secure effectively.
High-Performance Security & Fire Compliance
- 3-Hour Fire Rating: UL listed for use on A, B, C, D, & E labeled metal doors, making it a primary choice for commercial egress and fire-safety partitions.
- ANSI/BHMA Certified: Meets ANSI A156.16: L04251 specifications, guaranteeing a high-cycle life and consistent mechanical reliability.
- Durable Brass Construction: Forged from high-quality brass for superior corrosion resistance and a smooth lever operation.
- Adjustable Bolt Head: Features a 1-1/2" adjustable bolt head for precision field-tuning (strike guide must be removed to adjust) to ensure a perfect fit every time.
Versatile Installation Features
- Standard Dimensions: The 6-3/4" x 1" faceplate is designed to fit standard ANSI A115 door and frame preparations.
- Customizable Rod Lengths: Comes standard with a 12" rod, but is compatible with extended rods (such as 24") for 8'0" high doors and other specialized heights.
- Rabbeted Door Compatibility: For doors with a rabbeted edge, this bolt integrates perfectly with the 554G Rabbet Guide and 554S Rabbet Strike for a clean, flush-aligned finish.
- Dust-Proof Integration: Best paired with the Rockwood 570 Dust Proof Strike to prevent floor debris from obstructing the bottom bolt engagement.
Technical Specifications
- Bolt Throw: 3/4"
- Rod Backset: 3/4"
- Face Plate Size: 6-3/4" H x 1" W
- Strike Size: 15/16" x 2-1/4"
- Fasteners: Includes 8 each #8 x 3/4" FH Combo Screws.
- Note: Priced per piece (each); commonly installed in pairs for the top and bottom of the door.
| General - US Finishes | US26D - Satin Chrome or US26 - Polished Chrome or BSP - Black Suede Power Coat or US15 - Satin Nickel or US3 - Polished Brass or US4 - Satin Brass or US10 - Satin Bronze or US10B - Oil Rubbed Bronze or US10BE - Oil Rub Bronze Equal |
| Brand | Rockwood |
| Bolt Type | Flush Bolt - Manual |
| Fire Rated | Fire Rated |
| Door Type | Metal Door |
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