DCM-3.5D (7.5-20.9 mm) : UNICHAMDRILL exchangeable head drills without flange and with flat shank, drilling depth 3.5xD, suitable for chamfering holder
Do not monut smaller drilling heads than specificed range for drill body.
Hole tolerance in average conditions, however, it can be higher or lower according to machine and tooling conditions.
Drill design without a flange.
To be used with standard CHAMRING chamfering ring.