【Material】- This masonry drill bit was made by Chrome steel and the hardness HRC is 52~60 which is harder and tougher to extreme loads,not easy to break.
【Advantage】- Flute Optimized design to reduce bit stress and make the bit run cooler for long life, 4-flute design for fast dust removal.
【Function】- Centric tip for optimal hole geometry and provides rounder holes. For use in drill requiring Special Direct System shank.
【Wide Application】- Designed for fast drilling in concrete, masonry, artificial stone, and rock.
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