Dormer Plain Slot Drill, 2mm Cut Diameter

A range of short cobalt drills (steel quality HSCo 8% Co) with cylindrical shank and flat face.
The shank diameter tolerance class is H6 and the cutting diameter is E8.
The helix geometry is 30° right-handed; the cutting angle is 12° with nose end mill. Cutting takes place at the centre.
Specially designed for finishing work.

Flatted Shank - HSCo

These slot drills have a parallel shank with flats, diameter tolerance e8 (undersize h10), 3 flute, short length, centre cutting, 30° spiral, HSCo 8%. They are to DIN327 form D. Applications include keyway and slot milling, and production of closed slots by ’plunge’ feeding.