Professional dry core bits
Detailed Product Description
Special designed for drilling granite or other stones. It's more aggressive and fast. High performance .
The new dry corbits can offer the high-quality metal-bond segment with brazed diamond sided core and the laser weld5/8"-11 or M14.
The description of the product :
Diameter :1", 1/1/4", 1/3/8", 1/1/2",
