Manufacturer Varies Std Stl Blk 3/8 -16 9/16x21/64 100PK HNI5037LH-100BX

Hex Nut Hex Type Standard Hex Finish Black Oxide Material Grade/Class Not Graded Material Steel Thread Size 3/8 In.-16 Hex Width 9/16 in Hex Height 21/64 in System of Measurement Inch Thread Direction Left Hand Pack Size Small Pack Removable Yes Rockwell Hardness B68 to C32 Thread Type Coarse Package Quantity 100