3a thread class right-hand 1.740" grip length 20 thread quantity per inch 108000 single pounds per square inch shear strength top of head has recess hex 0.1207 in. w across the flats, 0.150 in. max dp cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.630" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.250" thread length flat countersunk head style 32 thread quantity per inch anodize fastener surface treated unc thread series
3a thread class right-hand 0.378" thread length flat countersunk head style 2.115" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.990" grip length 32 thread quantity per inch cadmium surface treated unjc thread series
3a thread class right-hand 0.320" thread length flat countersunk head style 0.365" grip length 32 thread quantity per inch black dye or paint onthread end aluminum surface treated unjf thread series
3a thread class right-hand 0.401" thread length dished hexagon head style 2.375" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.413" thread length dished hexagon head style 1.678" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.429" thread length dished hexagon head style 2.240" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.476" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.782" thread length hexagon head style 0.546" grip length 20 thread quantity per inch passivate surface treated unf thread series