Description The RUBI Superpro Diamond Grinding Bits are specially designed to enlarge or modify the diameter and shape of a previously drilled hole. They can also be used for smoothing, polishing or cleaning the inside edges of previously drilled holes. Available in 4 variants: 10mm Diameter Cylindrical Bit 20mm Diameter Cylindrical Bit 2-35mm Conical Bit 20-48mm Conical Bit The RUBI Superpro Diamond Grinding Bits are suitable for landscaping materials. They are NOT suitable for drilling holes. The attachment of the diamond particles to the body of the bit is carried out using the vacuum brazing technique (vacuum brazed) which gives them a high resistance to friction and temperature. As such they are suitable for dry drilling. The diamond particles used in the grinding bits have a particle size of #50/60. Each RUBI Diamond Grinding Bit has a M14 threaded connection, and can be used with any grinder on the market at rotational speeds between 6,000 and 11,000 rpm. In addition, the body of the cylindrical drill bit models has been provided with holes that help to improve the cooling of the drill bit during grinding work. Click here to view this product on the Manufacturers website.
