625X Cobalt TiCN Slot Drills

Parallel shank with thread*                                     M42 HSS+8% Cobalt                                   BSS122 Part 4
Threaded shank                                                      30° Right hand spiral                                    Right hand cutting
Shank tolerance h8                                                 20TPI Whit Form Thread                              Teeth end cutting to centre

*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.