2a thread class right-hand 0.450" thread length pan no. 2 head style 32 thread quantity per inch navy special project cadmium screw surface treated unc thread series
3a thread class right-hand 0.250" thread length pan head style 32 thread quantity per inch point style 295; 0.187 in. lg; 0.098 in. dia; 30 deg cadmium surface treated unc thread series