Used on mount,machine gun,mk93,mod 1. 2a thread class right-hand hexagon head style 16 thread quantity per inch oxide surface treated unc thread series
Used on pacer dawn. 3a thread class right-hand 0.425" thread length dished hexagon head style 0.046" hole diameter 6.740" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand hexagon head style 0.470" grip length 40 thread quantity per inch 10500 double pounds per square inch shear strength cadmium bolt surface treated unf thread series