Rockwood SP1056 Single Cone Head Machine Screw | 5/16-18 x 2-1/4"
The Rockwood SP1056 is a high-strength architectural fastener designed specifically for Type 5HD (Heavy Duty) back-to-back mounting. This Single Cone Head screw is engineered to secure straight pull handles on 1-3/4" thick commercial doors, providing a rock-solid connection that withstands constant use. Its unique cone-head geometry is designed to seat perfectly within the handle's mounting hole, ensuring a flush and professional finish.
Heavy-Duty Engineering for Commercial Doors
- Type 5HD Specialized Mounting: This is the primary replacement fastener for Rockwood's back-to-back mounting systems. It allows two pull handles to be joined through the door for maximum stability.
- Heavy-Duty Strength: Part of the HD (Heavy Duty) hardware line, featuring a large overall size and high-grade construction to prevent hardware loosening in high-traffic schools, hospitals, and retail stores.
- Positive Tightening Drive: Features a hex drive socket for use with a 3/16" Allen wrench. This allows for higher torque and "positive tightening," which prevents the stripping common with standard screws.
- Industrial Durability: Built to withstand the mechanical stress of heavy commercial doors, ensuring that your architectural pulls remain safe and secure for the life of the building.
Technical Specifications
- Model: Rockwood SP1056
- Mounting Type: Type 5HD (Back-to-Back)
- Thread Size: 5/16-18
- Thread Length: 2-1/4"
- Overall Length: 2-3/4"
- Drive: 3/16" Hex (Allen)
- Door Compatibility: Standard 1-3/4" Thick Doors
- Handle Compatibility: Straight Pull Handles
| Brand | Rockwood |
| Thread Pattern | 5/16-18 |
| Screw Type | Single Conehead |
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