Description
Monster Overview:
Proudly Made in the USA, these Bulk 5/16"-24 Socket Head Cap Screws are manufactured from premium alloy steel and finished with a uniform thermal black oxide coating. The fine-thread UNF design allows for superior clamp control and vibration resistance, making these ideal for precision assemblies and critical mechanical connections.
All Monster Bolts USA-made black oxide socket fasteners are fully RoHS compliant and ship fast from our U.S. warehouse.
Monster Features:
- Thread: 5/16"-24 UNF (Fine) for improved clamp precision and vibration resistance.
- Material: Alloy Steel per ASTM A574 with thermal black oxide finish.
- Drive: 1/4″ Hex (Allen). Hex keys available here.
- Head: Socket Head Cap Screw (SHCS) — compact, high-strength, and torque-ready.
- Applications: Tooling, fixtures, precision machinery, and high-performance assemblies.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 5/16" |
| Thread Size | 5/16"-24 UNF (Fine Thread) |
| Drive Size | 1/4″ 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 5/16"-24 fasteners with Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a complete fastening solution.
Order Yours Today!
Count on Monster Bolts for precision-engineered, USA-made socket head cap screws — durable, RoHS compliant, and shipped fast from our U.S. warehouse.