3a thread class right-hand 0.569" thread length pan head style 0.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.752" thread length flat countersunk head style 2.615" grip length 18 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.700" thread length flat countersunk head style 3.115" grip length 18 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.348" thread length flat countersunk head style 1.185" grip length 32 thread quantity per inch cadmium or chromate surface treated unjf thread series
2a thread class right-hand 1.250" thread length hexagon head style 20 thread quantity per inch screw, cap, hexagon head zinc surface treated unf thread series
2a thread class right-hand 0.154" thread length flat countersunk head style 80 thread quantity per inch passivate fastener surface treated unf thread series