Description
Monster Overview:
Choose Bulk #4-48 Flat Head Socket Cap Screws from Monster Bolts for precision assemblies that demand a flush, professional look. Crafted from high-strength alloy steel and finished with a thermal black oxide coating, these fasteners combine durability, accuracy, and a sleek appearance. The 82° flat head ensures a smooth surface finish—ideal for electronics, robotics, and fine mechanical applications.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship quickly from our U.S. warehouse.
Monster Features:
- Thread: #4-48 UNF (Fine Thread) for tight, vibration-resistant engagement.
- Material: Alloy steel with a durable thermal black oxide finish (mild protective layer, dark appearance).
- Drive: 1/16″ hex recess (Allen). Hex keys available here.
- Head Style: 82° Flat Head for a flush-mounted finish.
- Applications: Electronics, robotics, optical equipment, and fine instrumentation.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | #4 (0.1120″) |
| Thread Size | #4-48 UNF (Fine 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 #4-48 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.