2a thread class right-hand 0.428" thread length flat chamfer head style 20 thread quantity per inch std point style no. 16 with 0.170 in. dia extends 0.125 in. beyond the thd end of fastener passivate surface treated unc thread series
2a thread class right-hand 0.969" thread length pan no. 2 head style 28 thread quantity per inch w/header point cadmium surface treated unf thread series
3a thread class right-hand 0.312" thread length knurled no. 4 head style 16 thread quantity per inch w/cone point 45.0 deg by 0.187 in lg passivate surface treated unc thread series
2a thread class right-hand 0.556" thread length fillister head style 32 thread quantity per inch cone point chromate zinc surface treated unc thread series
2a thread class right-hand 0.580" thread length flat chamfer head style 14 thread quantity per inch end has 0.094 in. spherical radius point, 60.0 deg angle 0.275 in. lg unc thread series
2a thread class right-hand 0.310" thread length hexagon head style 32 thread quantity per inch nonstandard point no. 9 0.115 in. dia, 0.090 in. lg 45.0 deg unc thread series