Lock Nut, Color Silver, Finish Zinc Plated, Hex Height 21/64 in, Hex Type Standard Hex Top Lock, Hex Width 1/2 in, Insert Material Steel, Lock Type Top Lock Distorted Thread, Made in North America No, Manufacturer Location Globally Sourced, Material Steel, Material Grade/Class Grade C, Material Quality Standards IFI-100/107, Pack Size Small Pack, REACH Compliant Yes, Removable No, Resistance Properties Corrosion Resistant, Rockwell Hardness HRC 24/32, RoHS Compliant Yes