Lock Nut, Color Silver, Dimensional Standards ASME B18.16.6, Finish Plain, Hex Height 1/2 in, Hex Type Standard Hex Top Lock, Hex Width 1 1/2 in, Insert Material Steel, Lock Type Top Lock Distorted Thread, Made in North America No, Manufacturer Location Globally Sourced, Material Stainless Steel, Material Grade/Class 18-8, Material Quality Standards ASTM F594, SAE J995, Maximum Temperature 1,000 Degrees F, Minimum Temperature -40 Degrees F, Pack Size Small Pack, REACH Compliant Yes