Used on MRAP. 2a thread class right-hand 0.875" thread length hexagon head style 18 thread quantity per inch 5/16-18X2.250 hex cap screws grade 8 plain finish manufactured in the usa unc thread series
Used on MRAP. 2a thread class right-hand 2.000" thread length hexagon head style 16 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series