Description
Monster Overview:
Fix your project right the first time with Bulk 3/8-24 Button Head Socket Cap Screws from Monster Bolts. Built from ASTM A574 Alloy Steel and finished with a thermal black oxide + oil coating, these fine-thread socket screws deliver precision fit, smooth assembly, and outstanding strength.
The fine-thread (UNF) design provides better tensile load distribution and resistance to loosening in vibration-prone applications. All Monster Bolts black oxide socket fasteners are RoHS compliant and meet or exceed ASME B18.3 and IFI-111 standards for consistent, high-performance results.
Monster Features:
- Material: High-strength alloy steel per ASTM A574 (12.9 metric equivalent).
- Finish: Thermal black oxide + oil for a low-glare black appearance and mild corrosion resistance.
- Thread: 3/8"-24 UNF – Fine Thread (Unified National Fine).
- Drive: 7/32" Hex Key (Allen) Drive – Available here if you need a fresh one!
- Head Type: Button Head – smooth, rounded profile for low-clearance applications.
- Compliance: RoHS compliant black oxide process and materials.
Monster Specifications:
| Attribute | Specification |
|---|---|
| Diameter | 3/8" |
| Thread Size | 3/8"-24 UNF (Fine Thread) |
| Drive Size | 7/32" Hex Key |
| Head Style | Button Head Socket Cap Screw |
| Material | Alloy Steel – ASTM A574 (12.9 Equivalent) |
| Finish | Thermal Black Oxide + Oil |
| Tensile Strength | 180,000 psi (≤ 1/2"), 170,000 psi (> 1/2") |
| Hardness | Rockwell C39 minimum |
| Standards | ASME B18.3 / IFI-111 |
Measurement Note:
Length is measured from under the head to the tip of the screw. Button heads are not included in the overall measurement.
Matching Products:
- Matching Nuts: Bulk U.S. Inch Nuts
- Matching Washers: Bulk U.S. Inch Washers
- Hex Keys: 7/32" Allen Key – Available here
Order Yours Today:
Buy with confidence! Every order from Monster Bolts is backed by our commitment to quality, fast shipping, and customer satisfaction.