Rockwood SP1052 Double Cone Head Machine Screw | 1/4-20 x 2-1/4"
The Rockwood SP1052 is a precision-engineered replacement fastener specifically designed for Type 16 back-to-back mounting. This double cone head screw is the essential hardware for securing 1-inch diameter offset pull handles on standard 1-3/4" thick commercial doors. Its unique dual-tapered head ensures a rock-solid, vibration-resistant connection that keeps architectural handles perfectly aligned under heavy daily use.
Heavy-Duty Engineering for Offset Pulls
- Type 16 Back-to-Back Mounting: Specifically manufactured as the primary replacement screw for Rockwood’s Type 16 mounting sets. It allows two offset handles to be joined through the door for maximum stability.
- Optimized for Offset Handles: The double cone head design is uniquely suited for offset pulls, providing the necessary geometry to seat securely within the handle's mounting points without wiggling.
- Standard Duty Reliability: Features a reliable Phillips head drive, allowing for easy installation and maintenance with standard tools during facility walk-throughs or hardware upgrades.
- Thru-Bolt Security: Utilizing a thru bolt design offers significantly more structural integrity than surface-mounted screws, preventing the handles from pulling out of the door core in high-traffic retail or office environments.
Technical Specifications
- Model: Rockwood SP1052
- Mounting Type: Type 16 (Back-to-Back Offset)
- Thread Size: 1/4-20
- Thread Length: 2-1/4"
- Overall Length: 3-1/4"
- Drive Type: Phillips Head
- Door Compatibility: Standard 1-3/4" Thick Wood or Metal Doors
- Handle Compatibility: 1" Diameter Offset Pull Handles
| Brand | Rockwood |
| Thread Pattern | 1/4-20 |
| Screw Type | Double Cone Head |
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