ZORO SELECT U12470.025.0001 Serrated Lock Nut, 1/4"-20, Steel, Grade 8,

California Proposition 65: This product contains a chemical known to the State of California to cause cancer.
California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Lock Nut, Finish Phosphate and Oil, Material Steel, Material Grade/Class Grade 8, Thread Size 1/4 In. -20, Hex Width 7/16 in, Hex Height 7/32 in, Lock Type Serrated, Dimensional Standards IFI-145, Material Quality Standards SAE J995, System of Measurement Inch, Hex Type Flange Hex, Thread Direction Right Hand, Color Black, Flange Diameter 0.505 in, Flange Thickness 0.04 in, Insert Material Steel, Made in North America No, Pack Size Small Pack, Package Quantity 100