Description
Monster Overview:
Fix your project right the first time with Bulk #6-40 Button Head Socket Cap Screws from Monster Bolts. Precision-machined from high-strength ASTM A574 Alloy Steel and finished with a thermal black oxide + oil coating, these screws deliver exceptional durability, clean appearance, and mild corrosion resistance. Ideal for machinery, robotics, and automotive assemblies requiring a low-profile head with a sleek finish.
All Monster Bolts black oxide socket fasteners are fully RoHS compliant and ship directly from our U.S. warehouse for fast, reliable delivery.
Monster Features:
- Material: Premium alloy steel meeting ASTM A574 specifications (12.9 metric equivalent strength).
- Finish: Thermal black oxide + oil for a mild corrosion-resistant finish.
- Thread: #6-40 UNF – Fine Thread (Unified National Fine).
- Drive: 5/64" Hex Key (Allen) Drive – Available here if you need a fresh one!
- Head Type: Button head for smooth, low-profile fastening.
- Compliance: Fully RoHS compliant black oxide process.
Monster Specifications:
| Attribute | Specification |
|---|---|
| Diameter | #6 |
| Thread Size | #6-40 UNF (Fine Thread) |
| Drive Size | 5/64" 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: 5/64" 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.