Specification: 1.ST0001 Tile & Glass Bit-1 2.shank shape:round 3.usage:for tile & glass 4.dia.3- ... carbide end mills, counter sinks, step drills, cobalt drills, hobs, reamers, etc. We have 18 years of experience in exporting all ... , Germany, the USA and Australia Tile & Glass Bit-1(Round Shank) dia.3-20mm