-20, Hex Width 7/16 in, Hex Height 5/32 in, Dimensional Standards ASME B18.Jam Nut, Hex Type Jam Hex, Finish Black Oxide, Material Steel, Material Grade/Class Grade 5, Thread Size 1/4 In.2.2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Thread Type Coarse, Package Quantity 50.
22.047 in, Color Silver, Inside Diameter Tolerance 0.1, Material Steel, Material Grade/Class Grade 2, Finish Zinc Plated, For Screw Size #6, Inside Diameter 0.047 in, System of Measurement Inch, Minimum Thickness 0.