Bulk M12 Socket Head Cap Screws – 12.9 Alloy Steel, Black Oxide Opti Seal these locknuts offer exceptional durability

these locknuts offer exceptional durability

Designed for strength and durability

making them a top choice for a wide range of applications

designed to provide reliable locking strength and resistance against loosening due to vibration

they are available in US Inch sizes ranging from 1"-20 to 1-1/2"-6

Bulk M12 Socket Head Cap Screws – 12.9 Alloy Steel, Black Oxide Opti Seal these locknuts offer exceptional durabilityMonster Overview: Power up your toughest assemblies with M12 Socket Head Cap Screws from Monster Bolts. Built from Class 12. 9 alloy steel and coated in thermal black oxide, these high strength fasteners deliver superior torque control, exceptional tensile performance, and a clean, professional appearance. The robust 10 mm hex drive provides deep engagement for maximum tightening power in structural, industrial, and heavy equipment applications.