Hex Nut Hex Type Heavy Hex Finish Black Oxide Material Grade/Class Grade 4 Material Steel Thread Size 1 7/8 In.-8 Hex Width 2 15/16 in Hex Height 1 27/32 in Manufacturer Location Globally Sourced Dimensional Standards ASME B18.2.2 Material Quality Standards ASTM A194 System of Measurement Inch Thread Direction Right Hand Color Silver Made in North America No Minimum Yield Strength 175 000 psia Pack Size Small Pack REACH Compliant Yes Removable Yes Resistance Properties None