ITEM NAME:Masonry Drill Bit, 16Pcs Tungsten Hard Alloy Tile Drill Bits Set Installer F7G6 Masonry Drill Bit, 16Pcs Tungsten Hard Alloy Tile Drill Bits Set Installer F7G6 Superior craftsmanship: Special U type slot design helps to fast remove dust and material. Small incision resistance, feature drilling stably, fast speed, won't breaking the border. When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication Multi-type of size: 7pcs black long shank tile masonry drill bits, 1/9 inch(3mm), 3/19 inch(4mm), 6/31 inch(5mm), 4/17 inch(6mm), 5/16 inch(8mm), 9/23 inch(10mm), 9/19 inch(12mm). 5pcs silver round shank triangular drill bits, 4/17 inch(6mm), 5/16 inch(8mm), 9/23 inch(10mm), 9/19 inch(12mm), 5/9 inch(14mm). 4pcs Titanium coated Hex shank triangular drill bits, 4/17 inch(6mm), 5/16 inch(8mm), 9/23 inch(10mm), 9/19 inch(12mm) Widely application: Suitable for Masonry, Cement, Ceramic Tile, Brick, Block, Concrete. etc. These drill bits can use with electric or cordless hammer drills for home decoration, walls perforation, wire switch installation. etc. ATTENTION: Only these black can drill hole on brick, wall, the silver and Titanium coated can drill hole on glass, tile, etc, and can't drill hole on brick, wall Color: black + metal + silver material: metal U type slot design with fast drilling dust remove, drilling neat holes, drill bit to be held tightly and stably in power drill. No broken edge, no tremor phenomenon, incision resistance is small, easy chip evacuation and so on For drilling in concrete, reinforced concrete, brick, block and masonry, etc. Cross tip design reduces breakout and the bit features a car
