Description
Monster Overview:
Manufactured in the USA for superior quality and consistency, these Bulk 3/8"-16 Socket Head Cap Screws are made from high-strength alloy steel and finished with a uniform thermal black oxide coating. Designed for high-load industrial use, the coarse UNC thread provides strong grip and rapid assembly.
All Monster Bolts USA-made black oxide socket fasteners are fully RoHS compliant and ship fast from our U.S. warehouse.
Monster Features:
- Thread: 3/8"-16 UNC (Coarse) — strong engagement and ideal for heavy-duty applications.
- Material: Alloy Steel per ASTM A574 with thermal black oxide finish.
- Drive: 5/16″ Hex (Allen). Hex keys available here.
- Head: Socket Head Cap Screw (SHCS) — compact, torque-ready design for tight assemblies.
- Applications: Equipment, machine assembly, jigs, fixtures, and industrial maintenance.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 3/8" |
| Thread Size | 3/8"-16 UNC (Coarse Thread) |
| Drive Size | 5/16″ Hex (Allen) |
| Head Type | Socket Head Cap Screw (SHCS) |
| Material / Finish | Alloy Steel, Thermal Black Oxide |
| Standards | ASME B18.3 / IFI-111 / ASTM A574 |
| Compliance | RoHS Compliant |
| Origin | USA |
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!
Dependable, USA-made socket head cap screws — engineered for strength, consistency, and precision. Monster Bolts ships fast from our U.S. warehouse.