3a thread class right-hand 0.585" thread length hexagon head style 0.090" grip length 24 thread quantity per inch cadmium or zinc surface treated unf thread series
2a thread class right-hand 0.203" thread length flat countersunk head style 32 thread quantity per inch nonstandard point style no. 1 angle 60.0 deg 0.080 in. min 0.100 in. max lg unc thread series
3a thread class right-hand 1.250" thread length dished hexagon head style 16 thread quantity per inch cadmium or zinc surface treated unf thread series
2a thread class right-hand 1.125" thread length flat chamfer head style 14 thread quantity per inch head end drilled parrallel to axis 1.125 in. deep 1/12 in.-20 unf cl 2b thd 0.875 in. lg cadmium or zinc surface treated uns thread series