Description
Monster Overview:
Fix your project right the first time with Bulk #3-48 Socket Head Cap Screws from Monster Bolts. Crafted from premium alloy steel and finished with a thermal black oxide coating for light corrosion protection, these fasteners deliver precision fit and high clamping strength in compact assemblies.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse. Perfect for applications in electronics, robotics, and instrument fabrication where quality and consistency matter most.
Monster Features:
- Reliable Strength: High-grade alloy steel provides superior clamping force and dimensional accuracy.
 - Finish: Thermal black oxide for mild corrosion resistance and a clean, uniform look.
 - Drive: 5/64″ Hex (Allen) drive for secure engagement and easy torque control. Hex keys available here.
 - Compact Design: Ideal for assemblies requiring maximum strength in minimal space.
 
Monster Specifications:
| Specification | Details | 
|---|---|
| Diameter | #3 (0.0990″) | 
| Thread Size | #3-48 UNC (Coarse Thread) | 
| Drive Size | 5/64″ Hex | 
| Head Type | Socket Head Cap Screw (SHCS) | 
| Material | Alloy Steel | 
| Finish | Thermal Black Oxide | 
| Standards | ASME B18.3 / IFI-111 / ASTM A574 | 
| Compliance | RoHS Compliant | 
| Origin | Ships from U.S. Warehouse | 
More Monster Bolts:
Matching Nuts & Washers: Complete your assembly with compatible hardware from Monster Bolts. Pair these #3-48 screws with our Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a fully matched fastening solution.
Order Yours Today and Experience the Monster Bolts Difference!
Buy with confidence! Every Monster Bolts order is backed by our commitment to quality, fast shipping, and outstanding customer support.





