Overview
The Fabory U31702.025.0100 is a professional-grade self-drilling screw featuring a hex washer head for secure fastening and easy installation. Manufactured from steel with zinc-plating for corrosion protection, this fastener is engineered to drill its own pilot hole, eliminating pre-drilling requirements in many applications. Available in bulk quantities of 100 units per box, it delivers reliable performance across industrial, commercial, and maintenance applications.
Key Features
- Self-drilling design eliminates pre-drilling step on soft metals and composites
- Hex washer head provides wide bearing surface and secure grip
- Zinc-plated steel construction resists corrosion and oxidation
- 1/4″ diameter with 1″ overall length for medium-duty fastening
- Packed 100 per box for economical bulk purchasing
Technical Specifications
The Fabory U31702.025.0100 meets industry standards for self-drilling fasteners and is suitable for applications requiring fast, reliable installation without pilot holes. The hex washer configuration combines the efficiency of a hex head with the load distribution of an integrated washer.
Typical Applications
- Sheet metal assembly and fabrication
- HVAC ductwork and components
- Light structural steel attachment
- Metal roofing and trim installation
- General industrial maintenance and repair
- Equipment mounting and fastening
Compatibility & Replacements
Compatible With
- Soft steel and carbon steel substrates
- Galvanized metal assemblies
- Composite materials (fiberglass, certain polymers)
- Light structural applications up to 16 gauge steel
Replaces / Drop-In Replacement For
- Similar 1/4×1 hex washer self-drilling screws from competing manufacturers
- Part number B31702.025.0100 (alternative Fabory variant)
- Equivalent self-tapping fasteners requiring hex washer heads
Works With
- Standard hex socket driver tools (#4 hex bit)
- Hand drills and power drills with hex chuck
- Pneumatic fastening tools compatible with hex drive
- CNC and automated fastening equipment
