3a thread class right-hand 0.400" thread length dished hexagon head style 0.552" grip length 28 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.444" thread length dished hexagon head style 0.302" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.380" thread length knurled no. 1 head style 20 thread quantity per inch color black oxide surface treated unc thread series
2a thread class right-hand 0.337" thread length flat countersunk head style 20 thread quantity per inch cadmium or zinc screw surface treated unc thread series
3a thread class right-hand 0.865" thread length double hexagon extended washer head style 1.190" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand 0.866" thread length double hexagon extended washer head style 0.502" grip length 24 thread quantity per inch unjf thread series
2a nut thread a thread class right-hand nut thread a 1.250" nut thread a thread length 1.651 feet overall length 24 nut thread a thread quantity per inch unf nut thread a thread series