Bosch Hardtile Drill Bit Set 3Pcs Hex 90mmBosch Hardtile Drill Bit Set 3Pcs Hex 90mm This 3 piece hard tile drill bit set includes 5mm, 6mm, and 8mm bits, each 90mm long. Constructed from heat treated high speed steel, these drill bits ensure professional level performance and long lasting durability in tile and masonry drilling applications. Features a centring tip for slip free and easy starts when drilling Smooth drilling and reduced wear with a carbide head that has multiple sharp cutting