3a thread class right-hand 0.375" thread length flat chamfer head style 0.047" hole diameter 24 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.875" thread length hexagon head style 0.625" grip length 24 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 0.500" thread length hexagon head style 0.250" grip length 28 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 3.250" thread length 4.500" overall length 16 thread quantity per inch magnetic permeability shall be less than 1.2 before fabrication passivate surface treated round, closed w/shoulder unc thread series
3a thread class right-hand 0.437" thread length hexagon head style 0.921" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.500" thread length hexagon head style 0.921" grip length 24 thread quantity per inch passivate surface treated unf thread series