3a thread class right-hand 1.500" thread length flat chamfer head style 0.061" hole diameter 20 thread quantity per inch cadmium surface treated unrf thread series
3a thread class right-hand 0.366" thread length dished hexagon head style 6.115" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 2.812" thread length square extended washer head style 11 thread quantity per inch ithread relief 0.182 long by 0.492 min to 0.502 max. dia. round portion above extended washer 0.500 long by 0.560 min. to 0.565 max. dia. optional center drill within head flats 1.428 min. to 1.562 long cadmium surface treated unc thread series
3a thread class right-hand 0.438" thread length undercut hexagon head style 1.250" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.469" thread length dished hexagon head style 4.547" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.323" thread length flat countersunk head style 0.740" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.703" thread length hexagon head style 4.875" grip length 14 thread quantity per inch cadmium surface treated uns thread series
3a thread class right-hand 0.515" thread length flat countersunk head style 28 thread quantity per inch anodize screw surface treated unf thread series