Tungsten carbide (TCT) cutting edge allows drilling into concrete, aerated concrete, brick, slate and granite.
From Ø 5 mm upwards the bits have a 3-flat shank to prevent slipping in the chuck.
For Ø 3 & 4 mm the bits have a round shank.
The red flute allows the user to identify them more easily.
They can be used with rotary hammers, using the keyless chuck and activating rotation mode.
