Description
Monster Overview:
Built to deliver professional-grade performance, these USA-made 3/8"-16 Socket Head Cap Screws are precision-machined from 18-8 stainless steel for excellent corrosion resistance and strength. Ideal for environments that demand reliability — from marine and industrial to construction and fabrication work.
Featuring UNC coarse threads and a 5/16″ hex drive, these screws provide secure, repeatable fastening and long service life even under vibration or load stress. A clean, polished stainless finish resists rust and staining.
Monster Features:
- Material: 18-8 Stainless Steel (A2 / Type 304) — excellent corrosion resistance for indoor and outdoor use.
- Thread: 3/8"-16 UNC (Coarse Thread) — industry-standard for high-torque fastening.
- Drive: 5/16″ Hex (Allen). Hex keys available here.
- Head Type: Socket Head Cap Screw (SHCS) — compact and precise for assemblies with tight clearances.
- Finish: Natural stainless steel finish for a clean, professional appearance and rust resistance.
- Packaging: Box quantity varies by item.
- Applications: Marine, construction, industrial, automotive, and equipment assembly.
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 | 18-8 Stainless Steel (A2 / Type 304) |
| Compliance | RoHS Compliant |
| Origin | USA |
More Monster Bolts:
Matching Hardware: Pair these 3/8"-16 screws with Stainless Nuts and Stainless Washers for a complete corrosion-resistant fastening setup.
Order Yours Today!
Depend on Monster Bolts for USA-made 3/8"-16 18-8 stainless socket head cap screws. Precision-machined, rust-resistant, and built for professional performance — shipped fast from the U.S.



