Description
Monster Overview:
Precision-manufactured in the USA, these Bulk 3/8"-24 Socket Head Cap Screws are made from premium alloy steel with a durable thermal black oxide coating. The fine UNF thread delivers accurate clamp load control and superior vibration resistance — perfect for fixtures, tools, and precision equipment.
All Monster Bolts USA-made black oxide socket fasteners are fully RoHS compliant and ship quickly from our U.S. warehouse.
Monster Features:
- Thread: 3/8"-24 UNF (Fine Thread) — excellent for high-precision and high-vibration applications.
- Material: Alloy Steel per ASTM A574 with thermal black oxide finish.
- Drive: 5/16″ Hex (Allen). Hex keys available here.
- Head Type: Socket Head Cap Screw (SHCS) — compact and high-torque ready.
- Applications: Machinery, robotics, precision fixtures, and instrument assembly.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 3/8" |
| Thread Size | 3/8"-24 UNF (Fine 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"-24 fasteners with Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a complete fastening solution.
Order Yours Today!
Experience the strength and precision of USA-made Monster Bolts socket head cap screws — engineered for tight tolerances, RoHS compliant, and shipped fast from our U.S. warehouse.