3a thread class right-hand 0.375" thread length flat chamfer head style 0.010" hole diameter 32 thread quantity per inch cadmium surface treated unrc thread series
3a thread class right-hand 0.255" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength anodize surface treated unjc thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.032" grip length 32 thread quantity per inch furnished without bolt unf thread series