2a thread class right-hand 0.190" thread length flat countersunk head style 48 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.378" thread length flat countersunk head style 48 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.657" thread length flat fillister head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.313" thread length hexagon head style 0.046" hole diameter 1.615" grip length 32 thread quantity per inch unjf thread series
3a thread class right-hand 0.251" thread length dished hexagon head style 2.865" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a nut thread thread class right-hand nut thread 1.060" stud thread thread length 8.530" overall length 16 nut thread thread quantity per inch 0.120 in. knurl on stud side of shoulder shouldered unf nut thread thread series