4932 Series HSS-G Twist Drill Bit for Metal, 3mm Diameter, 61 mm Overall

The Milwaukee Thunderweb design is characterised by a conical shaped web which gets thicker towards the back of the drill bit. Standard drill bits have a constant thickness throughout their length. Even at the narrowest point the THUNDERWEB core is thicker than that of a standard drill bit.

Parabolic web cross section
Flute geometry
Polished finish reduces friction and extends drill bit life