flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.531" grip length 5000 single pounds per square inch shear strength passivate surface treated
2a thread class right-hand 0.338" thread length flat chamfer head style 20 thread quantity per inch 0.100 in wide undercut for thread relief, 0.182 in min dia, 0.193 in max dia oxide surface treated unrc thread series
2a thread class right-hand 0.750" thread length hexagon head style 28 thread quantity per inch undercut relief located .075 in. from bearing surface of head, .030 in. lg., .220 in. dia passivate surface treated unf thread series
3a thread class right-hand 1.375" thread length flat chamfer head style 0.061" hole diameter 20 thread quantity per inch cadmium surface treated unrf thread series
2a thread class right-hand 0.900" thread length hexagon head style 16 thread quantity per inch passivate surface treated counterbore unthreaded un thread series
3a thread class right-hand 0.994" thread length oval countersunk head style 0.352" grip length 20 thread quantity per inch cadmium surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.328 " grip length head is dimpled 0.020 max. deep x 0.030 max. wide.
Used on f101-gf-102. 3a thread class right-hand 0.640" thread length double hexagon extended washer head style 28 thread quantity per inch drilled hole dia 0.042-0.050 in.and 0.115-0.135 in.from end chromium grip surface treated unjf thread series
Used on f101-ge-102. 3a thread class right-hand 0.804" thread length double hexagon extended washer head style 24 thread quantity per inch chromium grip surface treated unjf thread series