Vacuum brazed diamond core drill kit for drilling granite,marble,concrete, brick, tile, glass
1) Vacuum brazed diamond core drill bit 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).
