EX40 3/4 Machine taps

Spiral fuse tap, model C, threading chamfer length 2-3xP, BS pipe thread G 3/4", 14 TPI, Normal tolerance class, measurements according to standard DIN 5156, 20.0mm shank, 16.0mm square drive, powder metallurgical HSS-E, bright, 45° helix angle, 2.5xD for deep blind hole threads, for carbon and unalloyed carbon steel, drawn or cast aluminium