Bulk 1/2"-20 Button Head Socket Cap Screws – Alloy Steel, Black Oxide MB1386 Select your preferred length above

Select your preferred length above and click "Add to Cart" to get dependable UNF hardware

Use Case: Cost-effective commercial anchor for light-to-medium duty fastening

Cross-Reference: SAE J476 Type F / IFI 136

Cut clean 3/8-16 threads directly into structural steel or channel with Unslotted Indented Hex-Washer-Head Thread-Cutting Screws

1"-8 hex nuts (USA-made)

Bulk 1/2"-20 Button Head Socket Cap Screws – Alloy Steel, Black Oxide MB1386 Select your preferred length aboveMonster Overview: Fix your project right the first time with Bulk 1 2 20 Button Head Socket Cap Screws from Monster Bolts. These high strength fasteners are precision made from ASTM A574 Alloy Steel and finished with a thermal black oxide + oil coating for a professional black appearance and mild corrosion protection. The fine thread (UNF) design allows for greater tensile strength and better resistance to vibration loosening, making these screws