Jam Nut, Hex Type Heavy Jam, Finish Zinc Plated, Material Steel, Material Grade/Class Grade A, Thread Size 1 In.-8, Hex Width 1 5/8 in, Hex Height 39/64 in, Manufacturer Location Globally Sourced, Dimensional Standards ASME B18.2.2, Material Quality Standards SAE J995, System of Measurement Inch, Thread Direction Right Hand, Color Silver, Made in North America No, Pack Size Small Pack, REACH Compliant Yes, Rockwell Hardness C32, RoHS Compliant Yes, Thread Type Coarse, Package Quantity 5