3a thread class right-hand 0.360" thread length round extended washer head style 36 thread quantity per inch cadmium or zinc screw surface treated unf thread series
3a thread class right-hand 0.343" thread length hexagon head style 4.625" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 1.262" thread length flat countersunk head style 24 thread quantity per inch cadmium or zinc screw surface treated unf thread series
2a thread class right-hand 1.250" thread length square head style 0.750" grip length 13 thread quantity per inch cadmium or zinc surface treated unc thread series
3a thread class right-hand 0.497" thread length hexagon extended washer head style 24 thread quantity per inch cadmium surface treated unf thread series