Sell diamond core drill bit set, core bit set
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1. Diameter: from 3mm on to 120mm
2. Mainly drill holes on such surface of materials as marble, granite, glass, GRP, ceramic, tiles, porcerlain, etc.
3. EPD is designed for drilling marble in different sizes according to the customer requirements. It gives excellent clean and fast cutting as well as exceptionally long life than conventional tungsten carbide tipped drill bits. It is very easy to assemble and use with or without center pin.
4. with center pin to avoid slipping on the surface of working pieces