Description
Monster Overview:
Tackle your toughest industrial projects with Bulk 5/8"-11 Flat Head Socket Cap Screws from Monster Bolts. Made from premium alloy steel and finished with a thermal black oxide coating, these fasteners deliver outstanding strength and a professional, flush finish. The 82° flat head design provides a smooth surface ideal for machinery, fixtures, and fabrication projects where appearance and reliability both matter.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship fast from our U.S. warehouse.
Monster Features:
- Thread: 5/8-11 UNC (Coarse Thread) for strength and fast assembly in industrial applications.
- Material: High-strength alloy steel with thermal black oxide for mild corrosion protection and a clean, uniform finish.
- Drive: 3/8″ hex recess (Allen). Hex keys available here.
- Head Style: 82° Flat Head for fully flush installations.
- Applications: Industrial machinery, metal fabrication, tooling, and mechanical assembly projects.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 5/8″ |
| Thread Size | 5/8-11 UNC (Coarse Thread) |
| Drive Size | 3/8″ 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: Pair these 5/8-11 coarse-thread screws with Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a complete fastening solution.
Order Yours Today!
Buy with confidence — fast U.S. shipping and Monster Bolts quality back every order.