Parallel shank with thread* M35 +5% Cobalt** BSS122 Part 4 Threaded shank Right hand spiral Right hand cutting Shank tolerance h8 20TPI Whit Form Thread Teeth end cutting, but not 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. **stocks remain of tools in M42 8% Cobalt material. Move to M35 was made because it resists chipping better in –NR ops.
Intermediate sizes may be provided to special order, the quantity ordered determining the unit price. Tools may be coated to order, the quantity ordered determining the unit price