› 2pcs-hss-3-8-20

Description: HSS 6542 high quality machine tap UN 3/8 -20 HSS BSW Tap&DIE Z/NPT two types are taper taps. 1.55 degree taper pipe thread marked ZG (new standard marked RC or R) 2.Thread 55 degree cylindrical tube marked G (new standard annotated as RP)...