Rockwood 556WS Windstorm Flush Bolt | Stainless Steel Extension Rod
The Rockwood 556WS is a high-performance architectural flush bolt designed for the most demanding safety and weather standards. Engineered for use on pairs of hollow metal doors, this bolt features a solid stainless steel extension rod and is fully certified for use in High Velocity Hurricane Zones (HVHZ). Whether you are securing a commercial facility against extreme winds or ensuring a 3-hour fire rating, the 556WS provides the structural integrity required by modern building codes.
Engineered for Extreme Weather & Fire Safety
- Hurricane & Windstorm Rated: Extensively tested to ASTM E330, E1886, and E1996, as well as TAS 201, 202, and 203. It is approved for use in the state of Florida, providing peace of mind in storm-prone coastal regions.
- 3-Hour Fire Rating: This UL Certified hardware is approved for use on fire-rated door assemblies up to and including 3 hours, ensuring life-safety compliance in hospitals, schools, and offices.
- Heavy-Duty Construction: Features a robust brass faceplate and mortise body combined with a 12-inch solid stainless steel extension rod for superior shear strength and corrosion resistance.
- Standardized Door Prep: Precision-engineered to fit ANSI A115 door and frame preparations, making it a seamless choice for new installations or direct replacements in existing hollow metal doors.
- Smooth Operation: Includes a 3/4" bolt throw and 3/4" rod backset, providing a deep, secure engagement into the header or threshold.
Technical Specifications
- Model: Rockwood 556WS
- Material: Brass Faceplate with Stainless Steel Rod & Strike
- Faceplate Size: 1" x 6-3/4" x 1/8"
- Rod Length: 12" (Center of face to bolt end)
- Bolt Throw: 3/4"
- ANSI/BHMA: A156.16 L04251
- Fasteners: Includes 8 ea. #8-32 x 1/4" FH MS in Stainless Steel
- Finish: US26D Satin Chrome
| Brand | Rockwood |
| General - US Finishes | US26D - Satin Chrome |
| Bolt Type | Flush Bolt - Manual |
| Fire Rated | Fire Rated |
| Door Type | Metal Door |
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