Serrated Lock Nut, 5/16"-18, Steel, Grade A, Zinc Plated, 11/64 in Ht, 100 PK, EnjoyTool select, Mfr# 3HDX3

Lock Nut, Finish Zinc Plated, Material Steel, Material Grade/Class Grade A, Thread Size 5/16 In.-18, Hex Width 1/2 in, Hex Height 11/64 in, Lock Type Serrated, Dimensional Standards ASME 18.18, ASME B1.1, ASME B18.16.4, SAE J429, Material Quality Standards ASTM F788, System of Measurement Inch, Hex Type Swivel Flange Hex, Thread Direction Right Hand, Color Clear, Flange Diameter 0.68 in, Flange Thickness 0.04 in, Pack Size Small Pack, Rockwell Hardness HRC 32 Max (Core), R15N 79 Min (Surface)