Lock Nut, Finish Zinc Plated, Hex Height 7/32 in, Hex Type Flange Hex Top Lock, Hex Width 3/8 in, Lock Type Top Lock Distorted Thread, Material Steel, Material Grade/Class Grade 2, Pack Size Small Pack, Resistance Properties Impact , Vibration , Rockwell Hardness C40 Max., System of Measurement Inch, Thread Direction Right Hand, Thread Size #10-24, Package Quantity 100