2a thread class right-hand 0.350" thread length crowned hexagon head style 40 thread quantity per inch second shoulder fully threaded .164-32unc-2a passivate surface treated unc thread series
3a thread class right-hand 0.448" thread length double hexagon extended washer head style 0.375" grip length 32 thread quantity per inch unjf thread series
right-hand 30.0mm thread length hexagon head style screw shall be in accordance with requirements of ansi B18.2.3 im except material shall be corrosion resisting steel. passivate surface treated m thread series
3a thread class right-hand 0.438" thread length dished hexagon head style 1.365" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.480" thread length flat chamfer head style 18 thread quantity per inch make from MS51975-19. strip cadmium plate in accordance with mil-s-5002 zinc surface treated unc thread series
Used on pacer dawn. 3a thread class right-hand 0.338" thread length flat countersunk head style 0.678" grip length 32 thread quantity per inch cadmium surface treated unjf thread series