Jam Nut, Hex Type Heavy Jam, Finish Plain, Material Stainless Steel, Material Grade/Class 18-8, Thread Size 3/4 In.-10, Hex Width 1 1/4 in, Hex Height 27/64 in, Dimensional Standards ASME B18.2.2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Thread Type UNC, Package Quantity 5