3a thread class right-hand 0.438" thread length hexagon head style 24 thread quantity per inch cadmium threads or cadmium threads surface treated unjf thread series
3a thread class right-hand 0.625" thread length hexagon head style 0.070" hole diameter 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.370" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series