3a thread class right-hand 0.375" thread length fillister head style 28 thread quantity per inch navy special project thd end chamfered 0.031 by 45.0 deg passivate surface treated unf thread series
2a thread class right-hand 0.219" thread length binding head style 32 thread quantity per inch first diameter from bearing surface of head threaded w/no. 6-32 nc-2 thread enamel surface treated unc thread series
2a thread class right-hand 0.188" thread length binding head style 32 thread quantity per inch red gloss enamel enamel head surface treated unc thread series
