3a thread class right-hand 1.170" thread length hexagon head style 0.062" hole diameter 0.690" grip length 20 thread quantity per inch center drill longitudinally 60.0 deg to 0.160 in. dia in shank both ends optional, drill 0.078 in. through side of head unf thread series
2a nut thread thread class right-hand nut thread 0.938" stud thread thread length 4.000" overall length 10 stud thread thread quantity per inch with pilot on fine thread end 0.562 in. long by 0.645 in. nom dia unc stud thread thread series
3a thread class right-hand 0.760" thread length hexagon head style 0.250" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.188" thread length headless (setscrew) head style 16 thread quantity per inch 2 holes 0.1285 in. dia, 90 deg apart, 1.094 in. from drive end unc thread series
2a thread class right-hand 0.625" thread length hexagon head style 0.688" grip length 13 thread quantity per inch cadmium or zinc surface treated unc thread series
2a thread class right-hand 1.094" thread length hexagon head style 0.312" grip length 28 thread quantity per inch dichromate zinc surface treated unf thread series
2a thread class right-hand 0.260" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate surface treated unc thread series
