HSS 1/2″-12 BSW HSS British 55° Thread CNC Machine Tap,For Threading Machine
1/2″-12BSW British Standard Pipe Tap and Die. 1/2″-12BSW. BSW ——British Standard Whitworth Thread. 1Pcs 1/2″-12BSW Tap. Round shank, square end. the Flutes as they cut and are well suited for most applications in.