2a thread class right-hand 0.511" thread length fillister head style 0.070" hole diameter 24 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.188" thread length flat countersunk head style 32 thread quantity per inch oxide film screw surface treated unc thread series
2a thread class right-hand pan head style 40 thread quantity per inch cadmium screw surface treated furnished with squarecone lock washer 0.244 in.min. to 0.250 in. max. dia. unc thread series
3a thread class right-hand flush countersunk head style 0.765" grip length 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
2a thread class right-hand 0.312" thread length pan head style 32 thread quantity per inch passivate screw surface treated enamel f-157, 36231 fed-std-595 head only unc thread series
3a thread class right-hand 0.338" thread length pan no. 2 head style 0.428" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.378" thread length pan no. 2 head style 1.052" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.251" thread length flat chamfer head style 0.365" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 1.000" thread length flat chamfer head style 0.044" hole diameter 28 thread quantity per inch passivate surface treated unrf thread series