3a thread class right-hand 0.875" thread length hexagon head style 20 thread quantity per inch counterbore tapped for 1/8 std pipe thread phosphate surface treated counterbore unthreaded unf thread series
3a thread class right-hand 0.620" thread length undercut hexagon head style 18 thread quantity per inch passivate surface treated concentric hole unthreaded unf thread series
2a thread class right-hand 0.844" thread length hexagon head style 16 thread quantity per inch cadmium surface treated concentric hole unthreaded unc thread series
3a thread class right-hand 0.600" thread length hexagon head style 28 thread quantity per inch navy special project slotted head concentric hole threaded unjf thread series
3a thread class right-hand 0.736" thread length hexagon head style 16 thread quantity per inch chromium surface treated concentric hole unthreaded unj thread series
3a thread class right-hand 0.575" thread length hexagon head style 18 thread quantity per inch cadmium surface treated counterbore threaded unf thread series
3a thread class right-hand 0.547" thread length hexagon head style 16 thread quantity per inch phosphate grip surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.469" thread length hexagon head style 24 thread quantity per inch cadmium surface treated counterbore unthreaded unf thread series
2a thread class right-hand 2.060" thread length hexagon head style 18 thread quantity per inch passivate surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.875" thread length knurled no. 1 head style 16 thread quantity per inch passivate surface treated counterbore threaded unf thread series
2a thread class right-hand 0.344" thread length hexagon head style 20 thread quantity per inch 1/16 in. w by 27/64 in. dia undercut back of head unf thread series
3a thread class right-hand 0.369" thread length hexagon head style 18 thread quantity per inch cadmium surface treated concentric hole unthreaded unf thread series
Used on p&w f-100,p-100 eng. 3a thread class right-hand 0.275" thread length flat fillister head style 0.470" hole diameter 16 thread quantity per inch internal hole configuration has across recess shape as well as the 0.470-0.480 in. dia.; original name-bolt, special concentric hole unthreaded unj thread series
2a thread class right-hand 0.180" thread length hexagon head style 40 thread quantity per inch passivate surface treated counterbore threaded unc thread series
3a thread class right-hand 0.482" thread length dee head style 16 thread quantity per inch zinc chromate finish on concentric hole cadmium threads surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.525" thread length hexagon head style 16 thread quantity per inch undercut 0.090 in. long with 0.020 in. min, 0.030 in. max undercut radius, located next to head silver surface treated concentric hole unthreaded un thread series
3a thread class right-hand 0.315" thread length dee chamfer head style 24 thread quantity per inch color white fed std 595 no. 17875 cadmium threads surface treated concentric hole unthreaded unjf thread series
3a thread class right-hand hexagon extended washer head style 12 thread quantity per inch cadmium threads surface treated concentric hole unthreaded unjf thread series
2a thread class right-hand 1.062" thread length hexagon head style 16 thread quantity per inch second counterbore on shank end 0.562 in. dia threaded 0.250-18 npt counterbore threaded unf thread series
2a thread class right-hand 1.150" thread length hexagon head style 20 thread quantity per inch cadmium surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.330" thread length dee head style 20 thread quantity per inch cadmium threads surface treated counterbore unthreaded unf thread series
3a thread class right-hand 1.479" thread length hexagon head style 24 thread quantity per inch navy special project counterbore unthreaded unf thread series
3a thread class right-hand 0.880" thread length hexagon head style 12 thread quantity per inch cadmium surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.989" thread length hexagon head style 12 thread quantity per inch cadmium surface treated concentric hole unthreaded unf thread series
2a thread class left-hand 0.781" thread length flat chamfer head style 0.112" hole diameter 28 thread quantity per inch concentric hole unthreaded unf thread series
2a thread class right-hand 0.310" thread length hexagon head style 24 thread quantity per inch cadmium surface treated concentric hole unthreaded unf thread series
3a thread class right-hand 0.320" thread length hexagon head style 0.046" hole diameter 28 thread quantity per inch shoulder 0.100 long, and 0.432 dia. counterbore threaded unf thread series
