Super hard stone has no chance with this new wet cutting core drill bit. Used wet with either a squirt bottle or submerged in a tub. This premium diamond will core the hardest materials. We have tested this product on some of the hardest granites, rock and stones and it is the real deal.
3/8″ shank size. Great for cordless 3/8″ chuck drills.
Questions? Call at 1-800-350-8665