3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake 1/4-20 The zinc coating protects the

The zinc coating protects the bolt from rust and other environmental factors

The non-serrated design ensures a smooth

It is designed to be used with bolts and screws that have a 7/8-14 thread size

such as the motor and the controller

which means that the threads do not extend the full length of the screw

3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake 1/4-20 The zinc coating protects theThese 3 8 16 Serrated Flange Hex Lock Nuts are made of case hardened HR15N steel and have a black zinc and bake finish. They are designed to provide a secure and vibration resistant connection in a variety of applications. The serrated flange helps to prevent the nut from loosening, even under extreme vibration. These nuts are also RoHS compliant and meet the requirements of ASTM A563 Grade C.