Rockwood SP1039 Single Cone Head Machine Screw | Type 6 Concealed Mount
The Rockwood SP1039 is a precision-engineered replacement machine screw designed for Type 6 concealed mounting systems. This single cone head fastener is specifically used to secure the free ends of 1" diameter push/pull bars and pull handles without visible screw heads on the opposite side of the door. Sized for standard 1-3/4" thick doors, it provides a secure, streamlined architectural finish for modern office and retail entrances.
Professional Grade Mounting & Design
- Concealed Type 6 Specialist: Engineered for "blind" installations where aesthetics are a priority. This screw allows the handle to be mounted firmly to the door face while keeping the fastener completely hidden from the exterior.
- Optimized for 1" Pull Bars: Specifically designed to fit the mounting posts of 1-inch diameter architectural handles, ensuring perfect alignment and mechanical stability.
- Standard Duty Phillips Head: Features a reliable Phillips drive for easy installation and maintenance using standard hand tools.
- Durable Construction: Made from high-strength materials to provide the shear resistance needed for high-traffic commercial door hardware.
- Precision Sizing: With a 1/2" thread length and 1-1/16" overall length, this screw provides the exact clearance required for standard 1-3/4" hollow metal or wood doors.
Technical Specifications
- Model: Rockwood SP1039
- Mounting Type: Type 6 (Concealed / Blind Mount)
- Thread Size: 1/4-20
- Thread Length: 1/2"
- Overall Length: 1-1/16"
- Door Thickness: 1-3/4"
- Application: Free ends of 1" diameter Push/Pull bars.
| Brand | Rockwood |
| Thread Pattern | 1/4-20 |
| Screw Type | Single Conehead |
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