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Dry core drill bits for masonry

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Core drill bit for dry application attached to drill motor

Dry core drill bits for masonry

Our DDU★★★ range is designed for drilling into New Zealand fibreboard & cladding, masonry & brick and concrete. You can buy the dry core drill bits individually or choose our convenient kit containing three core drill bits and adaptors.
1 product(s) found
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Holer dry core drill bit features
Diamond segments being laser welded onto steel tube
Laser welded in NZ:
high-tech welded, providing safety and the strongest adhesion to eliminate segment loss
Close up of air slots for cooling in dry core drill bit
Air slots
for cooling and easy core extraction
Close up of Vortex tube for mechanical dust extraction
Vortex tube
for mechanical self-dust extraction from hole
Close up of diamond segments for drilling into masonry
Soft bond segment and special diamonds
specifically designed for dry drilling. Made in NZ.