The QA1 1/2-20 Left Hand Steel Jam Nut is designed for industrial and automotive applications requiring secure fastening. Crafted from high carbon steel and featuring a protective coating, this jam nut provides durability and corrosion resistance in demanding environments. The 3/4-inch hex allows for easy installation and wrench tightening, ensuring a snug fit that maintains thread integrity during use. Whether used in machinery, automotive assemblies, or other mechanical systems, this nut adheres to ANSI B18.2.2-1972 standards, guaranteeing quality and compatibility.


