Vacuum brazed diamond core drill kit-6 pcs
1x20mmxM14 1x35mmxM14 1x40mmxM14 1x45mmxM14 1x50mmxM14 1x60mmxM14
1) For stone, concrete, brick, tile, glass, fiberglass, etc
2) Perfect safety, excellent fast, high efficiency and complicated shape
3) Rather longer life than the electroplated tools.
4) Various diamond grain and grade to meet various application-cutting, drilling, grinding.
5) Environment friendly
6)Install the core drill in hand electric drill, drill holes with Dry or wet drilling.