3a thread class right-hand 1.302" grip length 24 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.338" thread length pan no. 2 head style 0.490" grip length 32 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 1.500" thread length hexagon head style 0.094" hole diameter 11 thread quantity per inch zinc surface treated unc thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 1.115" grip length 28 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 0.083" thread length flat countersunk head style 80 thread quantity per inch oxide film screw surface treated unf thread series