3a thread class right-hand 0.501" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.250" thread length hexagon head style 0.047" hole diameter 28 thread quantity per inch concentric hole unthreaded unf thread series
2a thread class right-hand 0.194" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.500" thread length flat chamfer head style 0.044" hole diameter 24 thread quantity per inch cadmium surface treated unc thread series
2a nut thread a thread class left-hand nut thread a 0.625" nut thread b thread length 28.438" overall length 20 nut thread a thread quantity per inch unf nut thread a thread series
3a thread class right-hand 0.376" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.439" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.689" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series