2a thread class right-hand 0.200" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.756" thread length flat countersunk head style 6.552" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.735" thread length dished hexagon head style 1.312" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.669" thread length double hexagon w/hole head style 0.055" hole diameter 3.865" grip length 20 thread quantity per inch navy special project cadmium surface treated unjf thread series
3a thread class right-hand 0.578" thread length dished hexagon head style 3.750" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.469" thread length hexagon head style 2.031" grip length 20 thread quantity per inch navy special project cadmium surface treated unf thread series
2a nut thread thread class right-hand nut thread 1.000" nut thread thread length 2.110" overall length 20 nut thread thread quantity per inch 14 teeth per inch knurl on shank for drive fit in 0.531 in. dia. hole in cast iron cadmium or zinc surface treated knurled shank unf nut thread thread series
3a thread class right-hand 0.625" thread length flat chamfer head style 0.047" hole diameter 24 thread quantity per inch passivate surface treated unc thread series
right-hand 0.250" thread length headless (setscrew) head style 40 thread quantity per inch navy special project passivate surface treated uns thread series
3a thread class right-hand 0.562" thread length flat chamfer head style 32 thread quantity per inch heat treat min of 2 hours at 350 deg f after passivating passivate surface treated unf thread series
3a thread class right-hand 0.625" thread length flat chamfer head style 20 thread quantity per inch heat treat min of 2 hr at 350 deg f after passivating passivate surface treated unc thread series
3a thread class right-hand 0.375" thread length flat chamfer head style 32 thread quantity per inch heat treat min of 2 hrs at 350 deg f after passivating passivate surface treated unc thread series
2a thread class right-hand 0.550" thread length fillister head style 20 thread quantity per inch cadmium or zinc screw surface treated unf thread series