2a thread class right-hand 0.370" thread length flat chamfer head style 32 thread quantity per inch finish color black oxide surface treated unc thread series
2a thread class right-hand 0.560" thread length hexagon head style 16 thread quantity per inch finish color black oxide surface treated unc thread series
3a thread class right-hand 0.402" thread length flat countersunk head style 0.438" grip length 28 thread quantity per inch retaining element in grip cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 41000 single pounds per square inch shear strength chromate surface treated
2a thread class right-hand 0.500" thread length pan no. 2 head style 28 thread quantity per inch furnished with seal for self sealing passivate surface treated unf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.076" hole diameter 1.615" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 0.076" hole diameter 1.240" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.323" thread length pan no. 2 head style 0.615" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.323" thread length pan no. 2 head style 0.052" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a nut thread thread class right-hand nut thread 0.250" nut thread thread length 1.443" overall length 24 stud thread thread quantity per inch furnished with one o-ring; countersunk on shoulder 0.0878in.min, 0.0899in. max lg shouldered unjf nut thread thread series