Description
Monster Overview:
Built for dependable clamp force and clean installs, Bulk 1/4-20 Flat Head Socket Cap Screws feature high-strength alloy steel with a thermal black oxide finish. The 82° flat head seats fully flush—ideal for machinery, fixtures, and metal fabrication where low-profile hardware is required.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse.
Monster Features:
- Thread: 1/4-20 UNC (Coarse Thread) for general-purpose mechanical fastening.
- Material: Alloy steel with thermal black oxide (mild protective layer, uniform dark appearance).
- Drive: 5/32″ hex recess (Allen). Hex keys available here.
- Head Style: 82° Flat Head for a flush, professional finish.
- Applications: Industrial equipment, machine assembly, jigs/fixtures, and metal fabrication.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 1/4″ |
| Thread Size | 1/4-20 UNC (Coarse Thread) |
| Drive Size | 5/32″ Hex (Allen) |
| Head Type | 82° Flat Head Socket Cap Screw (FHCS) |
| Material | Alloy Steel |
| Finish | Thermal Black Oxide |
| Standards | ASME B18.3 / IFI-111 / ASTM A574 |
| Compliance | All black oxide socket fasteners are fully RoHS compliant |
| Origin | Ships from U.S. Warehouse |
More Monster Bolts:
Matching Hardware: Complete your assembly with Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers.
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