PROJAHN drill bit set, 19 pieces.

Product information

HSS-G DIN 338 classification
Fast and precise - the revolutionary spiral drill bit with the stepped tip
For particularly circular holes - noticeably faster drilling progress even in thin-walled materials compared to conventional twist drill designs.
Very clean entry and exit holes - even when drilling by hand.
No center punching required due to the self-centering step tip - even in pipes and rounded materials
No pre-drilling necessary
Perfectly suited for threading work due to the extremely precise borehole walls.
Effortless work thanks to reduced contact pressure
Ideal for drilling out blind rivets and existing drill holes
Subtle step transitions ensure smooth drilling behavior.
With a stepped tip from a diameter of 3 mm
With a 3-flat shank from a diameter of 5 mm - leads to optimal power transmission and prevents slippage in the drill chuck.
Suitable for alloyed and unalloyed steels, cast iron, sheet metal, non-ferrous metals, acrylic glass, aluminum, plastics and wood."
D: 1 - 10 mm / increasing by 0.5 mm


Suitable for the following materials:

alloy steel
unalloyed steel
cast iron
Sheet metal
Non-ferrous metals
Acrylic glass
aluminum
plastic
Wood