ZORO SELECT U12910.031.0001 Top Lock Distorted Thread Lock Nut, 5/16"-18,

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 Zinc-Plated, Material Steel, Material Grade/Class Grade C, Thread Size 5/16 In. -18, Hex Width 1/2 in, Hex Height 21/64 in, Lock Type Top Lock Distorted Thread, Dimensional Standards IFI-100/107, Material Quality Standards IFI-100/107, System of Measurement Inch, Hex Type Standard Hex, Thread Direction Right Hand, Color Silver, Industry Standards ASME B 18.16. 6, Insert Material Steel, Made in North America No, Manufacturer Location Globally Sourced, Pack Size Small Pack. This item has been restricted from sale in the following state (s): []