10X 8/10/12mmTitanium Ceramic Tile Marble Glass Drill Bits Spear Head Hex Shank

Features: *It has strong toughness and wear resistance *Incision resistance are small, increase the opening speed, long service life * Carbide Point with 4 Cutting edges *Can be installed in the hand drill, electric drill * Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole Specifications: Material: Tungsten carbide Bit Type: Tile & Glass Drill Bit Size:8mm*80mm(D*L);10mm*83mm(D*L);12mm*83mm(D*L) (optional) Package Contents: 10* drill