2a thread class right-hand 3.910" thread length square head style 13 thread quantity per inch self-locking knurled cup point zinc surface treated unc thread series
2a thread class right-hand 1.350" thread length headless (setscrew) head style 20 thread quantity per inch furnished with insert 0.190-32 unf-3b unf thread series
2a thread class right-hand 1.610" thread length knurled no. 1 head style 20 thread quantity per inch navy special project passivate surface treated unc thread series
2a thread class right-hand headless (setscrew) head style 80 thread quantity per inch threads in drive end 0.250-20 unc-2a passivate surface treated un thread series