Description
Monster Overview:
Fix your project right the first time with Bulk #6-40 Socket Head Cap Screws in 18-8 stainless steel. These UNF fine-thread fasteners deliver smooth engagement, accurate preload, and dependable corrosion resistance—ideal for electronics, precision mechanisms, fixtures, and light industrial assemblies.
Monster Features:
- Thread: #6-40 UNF (Fine Thread) for precise adjustment and vibration-resistant fit.
 - Material: 18-8 (A2) stainless steel for reliable corrosion resistance and clean appearance.
 - Head / Drive: Socket Head Cap Screw (SHCS) with 7/64″ hex (Allen). Hex keys available here.
 - Applications: Electronics, optics, robotics, instruments, and precision equipment.
 
Monster Specifications:
| Specification | Details | 
|---|---|
| Diameter | #6 (0.1380″) | 
| Thread Size | #6-40 UNF (Fine Thread) | 
| Drive Size | 7/64″ Hex (Allen) | 
| Head Type | Socket Head Cap Screw (SHCS) | 
| Material | 18-8 Stainless Steel (A2) | 
| Finish | Passivated Stainless (as produced) | 
| Standards | ASTM F837 / ASME B18.3 | 
| Origin | Ships from U.S. Warehouse | 
More Monster Bolts:
Matching Hardware: Pair these #6-40 fine-thread screws with our Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a complete fastening solution.
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Buy with confidence—fast U.S. shipping and Monster Bolts quality back every order.



