623X 3 Flute Mill TiCN Medium Series Threaded Shank

Parallel shank with thread*                                  M42 HSS+8% Cobalt                                   BS122 Part 4
Teeth end cutting to centre                                  30° Right hand spiral                                    Right hand cutting
Shank tolerance h8                                              20TPI Whit Form Thread

*Shanks are designed to fit plain collets as thread crests are below shank diameter, as well as Clarkson and similar threaded collets
A metric standard, DIN1835 Type D, has been used to describe the shanks. .