Bulk 1/2"-20 Button Head Socket Cap Screws – Alloy Steel, Black Oxide MB1386 and is top-coated with a

and is top-coated with a factory dry-film wax that lowers driving torque and adds a second barrier against corrosion

Premium Tapking® SD design delivers stronger holding power than standard screws

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

Type 23 Cutting Point: Triangular chip pocket ejects shavings for smoother cutting and lower drive torque

Bulk 1/2"-20 Button Head Socket Cap Screws – Alloy Steel, Black Oxide MB1386 and is top-coated with aMonster 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