Description
Monster Overview:
Fix your project right the first time with Bulk 1-3/8"-12 Socket Head Cap Screws from Monster Bolts. Precision-made from high-strength alloy steel and finished with a thermal black oxide coating, these fine-thread (UNF) fasteners provide superior torque control, smooth threading, and consistent performance. Ideal for precision mechanical, structural, and industrial applications requiring high clamping force and alignment accuracy.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse.
Monster Features:
- Fine Thread: 1-3/8"-12 UNF for precise fitment, higher tensile strength, and secure fastening.
- Material: Premium alloy steel ensures durability and excellent torque performance under load.
- Finish: Thermal black oxide provides a clean, uniform appearance with mild rust resistance.
- Drive: 1″ Hex (Allen) for strong, controlled torque. Hex keys available here.
Monster Specifications:
| Specification | Details |
|---|---|
| Diameter | 1-3/8″ (1.3750″) |
| Thread Size | 1-3/8"-12 UNF (Fine Thread) |
| Drive Size | 1″ 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 1-3/8"-12 screws with our Bulk U.S. Inch Nuts and Bulk U.S. Inch Washers for a fully matched fastening solution.
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