Manufacturer Varies Std Stl Blk 5/16 -24 .5x1.11 Grd8 100PK N04180.031.0002

Hex Nut Hex Type Standard Hex Finish Black Oxide Material Grade/Class Grade 8 Material Steel Thread Size 5/16 In.-24 Hex Width 1/2 in Hex Height 17/64 in Manufacturer Location Made in USA* Dimensional Standards ASME B18.2.2 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Rockwell Hardness C33 to C39 Thread Type UNF Package Quantity 100