Our chuck clamping nuts are made of 40F and the surface is oxidized black. They can withstand the wear of repeated use and are resistant to corrosion and rust.
Installing and removing these chuck clamping nuts is quick and easy. They are suitable for standard ER chucks and can be tightened or loosened with a standard wrench or socket.
Our chuck clamping nuts are suitable for a variety of applications, including CNC machining, drilling, milling, grinding, etc.