Description
Monster Overview:
Build with confidence using Bulk #4-40 Flat Head Socket Cap Screws from Monster Bolts. Manufactured from high-strength alloy steel and coated in a thermal black oxide finish, these screws deliver a sleek appearance and consistent performance. The 82° flat head sits flush with the surface, providing a professional, low-profile finish ideal for robotics, electronics, and precision equipment.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship quickly from our U.S. warehouse.
Monster Features:
- Thread: #4-40 UNC (Coarse Thread) for strong and versatile fastening.
- Material: Alloy steel with a durable thermal black oxide coating for a smooth, protective finish.
- Drive: 1/16″ hex recess (Allen). Hex keys available here.
- Head Style: 82° Flat Head for flush-mounted assemblies.
- Applications: Robotics, electronics, mechanical prototypes, and small precision fixtures.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | #4 (0.1120″) |
| Thread Size | #4-40 UNC (Coarse Thread) |
| Drive Size | 1/16″ Hex (Allen) |
| Head Type | 82° Flat Head Socket Cap Screw (FHCS) |
| Material | Alloy Steel |
| Finish | Thermal Black Oxide (mild protective layer) |
| Standards | ASME B18.3 / IFI-111 / ASTM A574 |
| Compliance | All black oxide socket fasteners are fully RoHS compliant |
| Origin | Ships from U.S. Warehouse |
More Monster Bolts:
Matching Hardware: Pair these #4-40 screws with our Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a complete fastening solution.
Order Yours Today!
Buy with confidence — fast U.S. shipping and Monster Bolts quality back every order.