Description
Monster Overview:
Upgrade your build with Bulk 3/8"-16 Flat Head Socket Cap Screws from Monster Bolts. Made from high-strength alloy steel and finished in a thermal black oxide coating, these screws deliver lasting durability, clean appearance, and consistent torque performance. The 82° flat head design provides a flush fit, ideal for industrial machinery, tooling, and precision assemblies.
All Monster Bolts black oxide socket fasteners are RoHS compliant and ship quickly from our U.S. warehouse.
Monster Features:
- Thread: 3/8-16 UNC (Coarse Thread) for strength and fast assembly.
- Material: Alloy steel with thermal black oxide for mild corrosion protection and a uniform black finish.
- Drive: 7/32″ hex recess (Allen). Hex keys available here.
- Head Style: 82° Flat Head for flush, professional installations.
- Applications: Machinery, tooling, industrial fixtures, and metal fabrication assemblies.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 3/8″ |
| Thread Size | 3/8-16 UNC (Coarse Thread) |
| Drive Size | 7/32″ 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: Pair these 3/8-16 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.


