Top of the page

Wet core drill bits

5 product(s) found

Wet core drill bits

We stock a range of wet core drill bits for concrete drilling as well as drilling of steel and hard materials such as stone. All our wet core drill bits are manufactured locally in Nelson from high quality raw materials such as German steel tubes. If you can't find the right diameter size, we can manufacture custom-made core drill bits for you, usual turn-around time is 24h.
5 product(s) found
Holer wet core drill bits features
Laser welded in NZ*:
high-tech welded, providing safety and the strongest adhesion to eliminate segment loss
* up to 300 mm diameter
German made, high quality precision steel tubes: 
smooth operation and less stress on operator and machine
Roof top segment with soft zone:
provides easy start up and self-sharpening, loved by the operator
Precision tensioned:
no jam ups, no side friction and machine stress