Dry core-drilling of building construction materials non-reinforced concrete, brick, cellular concrete
Laser-welded segment ring
Designed for dry core-drilling on portable drilling machine
Using only the drill to hammer drill a center hole
No-hammer core-drilling using the ring + center drill
Assembly with hexagonal rod or SDS PLUS
Building construction materials: non-reinforced concrete, brick, cellular concrete
Convenient core-drilling and finishing speed in building construction materials