Description
Monster Overview:
Fix your project right the first time with Bulk #4-48 Socket Head Cap Screws from Monster Bolts. Engineered from premium alloy steel and coated with a thermal black oxide finish for a sleek appearance and mild corrosion protection, these fasteners offer strength, precision, and professional-grade performance in compact assemblies.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse. Perfect for mechanical, electrical, and instrument applications where a fine-thread, high-strength fastener is needed.
Monster Features:
- Fine Thread: #4-48 UNF threading offers superior holding power and fine adjustment control.
 - High Strength: Premium alloy steel construction ensures reliable torque and load capacity.
 - Finish: Thermal black oxide for mild corrosion resistance and a clean, professional look.
 - Drive: 3/32″ Hex (Allen) drive for precise engagement and easy torque control. Hex keys available here.
 
Monster Specifications:
| Specification | Details | 
|---|---|
| Diameter | #4 (0.1120″) | 
| Thread Size | #4-48 UNF (Fine Thread) | 
| Drive Size | 3/32″ 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 #4-48 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.




