Description
Monster Overview:
Made in the USA and built for performance, these Bulk 1/4"-20 Socket Head Cap Screws are precision-machined from high-strength alloy steel and finished with a thermal black oxide coating for a clean, uniform appearance. The coarse UNC thread offers strong holding power and reliable engagement for industrial assemblies and machinery.
All Monster Bolts USA-made black oxide socket fasteners are fully RoHS compliant and ship fast from our U.S. warehouse.
Monster Features:
- Origin: 100% USA-made for dependable quality, consistency, and traceability.
- Material: Alloy Steel per ASTM A574 with thermal black oxide finish.
- Thread: 1/4"-20 UNC (Coarse Thread) — ideal for strong engagement in general-purpose use.
- Drive: 3/16″ Hex (Allen). Hex keys available here.
- Applications: Machinery, jigs, tools, industrial equipment, and assembly fixtures.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 1/4" |
| Thread Size | 1/4"-20 UNC (Coarse Thread) |
| Drive Size | 3/16″ Hex (Allen) |
| Head Type | Socket Head Cap Screw (SHCS) |
| Material / Finish | Alloy Steel, Thermal Black Oxide |
| Standards | ASME B18.3 / IFI-111 / ASTM A574 |
| Compliance | RoHS Compliant |
| Origin | USA |
More Monster Bolts:
Matching Hardware: Pair these 1/4"-20 fasteners with Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a complete fastening solution.
Order Yours Today!
Count on Monster Bolts for precision-made, USA-built socket head cap screws — RoHS compliant, bulk packaged, and shipped fast from our U.S. warehouse.