Description
Monster Overview:
Fix your project right the first time with Bulk 1/4-28 Socket Head Cap Screws from Monster Bolts. Precision-made from high-strength alloy steel and finished with a thermal black oxide coating for a uniform appearance and a mild protective layer, these fine-thread SHCS deliver compact head geometry and dependable torque performance for machinery, fixtures, and industrial builds.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse.
Monster Features:
- Fine Thread: 1/4-28 UNF for increased tensile engagement and precise adjustment.
- Material: Premium alloy steel for reliable strength in demanding applications.
- Finish: Thermal black oxide provides a sleek, consistent look with light corrosion protection.
- Drive: 3/16″ Hex (Allen) for secure tool engagement and accurate torque. Hex keys available here.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 1/4″ (0.2500″) |
| Thread Size | 1/4-28 UNF (Fine Thread) |
| Drive Size | 3/16″ 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 fine-thread assembly with compatible hardware from Monster Bolts. Pair these 1/4-28 screws with our Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a fully matched fastening solution.
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