2a thread class right-hand 1.375" thread length hexagon head style 4.375" grip length 12 thread quantity per inch holes located at 90 deg to each other unf thread series
2a thread class right-hand 0.625" thread length hexagon head style 24 thread quantity per inch 0.344 in. dia by 0.109 in. lg relief directly underhead unf thread series
3a thread class right-hand 0.179" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.267" thread length double hexagon head style 0.865" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.750" thread length dished hexagon head style 0.070" hole diameter 0.502" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.547" thread length flat chamfer head style 32 thread quantity per inch passivate fastener surface treated unjc thread series
3a thread class right-hand 0.320" thread length flat countersunk head style 0.115" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
