2a thread class right-hand 0.758" thread length oval countersunk head style 32 thread quantity per inch chromium screw surface treated unc thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 2.302" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 1.115" grip length 32 thread quantity per inch passivate surface treated unjc thread series
3a thread class right-hand 0.104" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
3a nut thread thread class right-hand nut thread 0.610" nut thread thread length 7.460" overall length 28 nut thread thread quantity per inch three grooves 0.225 in. dia for two. one 0.200 in. dia passivate surface treated recessed unf nut thread thread series
3a thread class right-hand 0.748" thread length hexagon head style 3.940" grip length 12 thread quantity per inch one shank hole center 90.0 deg from other unjf thread series
3a thread class right-hand flush countersunk head style 0.630" grip length 28 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.505" grip length 28 thread quantity per inch 125000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.630" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength aluminum surface treated unjc thread series
3a thread class right-hand flush countersunk head style 0.630" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength aluminum surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.532" grip length 6900 double pounds per square inch shear strength
