Description
Monster Overview:
Proudly made in the USA, these 5/16"-18 Socket Head Cap Screws are manufactured from premium 18-8 stainless steel for outstanding corrosion resistance and long-term durability. Designed for professional and industrial use, they provide clean threading, tight tolerances, and dependable torque strength in critical applications.
With standard UNC coarse threads and a precision-machined socket head, these screws are ideal for assembly, machinery, automotive, and marine environments where corrosion resistance and holding power matter most.
Monster Features:
- Material: 18-8 Stainless Steel (A2 / Type 304) — superior corrosion resistance and clean finish.
- Thread: 5/16"-18 UNC (Coarse Thread) — standard U.S. thread for general-purpose use.
- Drive: 1/4″ Hex (Allen). Hex keys available here.
- Head Type: Socket Head Cap Screw (SHCS) — compact, high-strength head for tight assemblies.
- Finish: Natural stainless steel — bright, rust-resistant, and easy to clean.
- Packaging: Box quantity varies by item.
- Applications: Automotive, construction, industrial machinery, marine, and fabrication work.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 5/16" |
| Thread Size | 5/16"-18 UNC (Coarse Thread) |
| Drive Size | 1/4″ Hex (Allen) |
| Head Type | Socket Head Cap Screw (SHCS) |
| Material | 18-8 Stainless Steel (A2 / Type 304) |
| Compliance | RoHS Compliant |
| Origin | USA |
More Monster Bolts:
Matching Hardware: Pair these 5/16"-18 screws with Stainless Nuts and Stainless Washers for a complete corrosion-resistant fastening setup.
Order Yours Today!
Choose USA-made quality with Monster Bolts 5/16"-18 18-8 stainless steel socket head cap screws. Corrosion-resistant, precision threaded, and built for lasting performance.