Description
Monster Overview:
Engineered for dependable clamp force and clean, low-profile installs, Bulk 1/2"-13 Flat Head Socket Cap Screws use high-strength alloy steel with a uniform thermal black oxide finish. The 82° flat head seats fully flush—ideal for machinery, jigs/fixtures, and industrial fabrication where clearance and appearance matter.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse.
Monster Features:
- Thread: 1/2-13 UNC (Coarse Thread) for strong engagement and fast assembly.
- Material: Alloy steel with thermal black oxide (mild protective layer, uniform dark appearance).
- Drive: 5/16″ hex recess (Allen). Hex keys available here.
- Head Style: 82° Flat Head for a flush, professional finish.
- Applications: Industrial machinery, metal fabrication, tooling, and mechanical assemblies.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 1/2″ |
| Thread Size | 1/2-13 UNC (Coarse Thread) |
| Drive Size | 5/16″ 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.
Order Yours Today!
Buy with confidence — fast U.S. shipping and Monster Bolts quality back every order.