Dry Diamond Drill bits / Vacuum brazed diamond hole saw
Shank: 6mm / 6.35mm
Diamond grit: 40#, 60#
Application: Carving on stones, deburring on steel, ductile iron, plastic.

It used on special machines to process various granite, marble and different hard-crisp nonmetal materials. With special diamond brazing technology, diamond is firmly brazed onto the center, which makes its cutting efficiency higher, working life longer, cost lower and performance higher.