Concrete Carbide Plastic Marble Cement Review

【HIGH HARDNESS, DURABLE】High quality Tungsten carbide, and carbide with a reinforced head that prevents bit cracking and provides a longer life,the hardness is higher than the ordinary drill bit. 【UNIQUE DESIGN】One drill bit replaces two drill bits (1 x glass & tile drill bit + 1 x Masonry drill bit), can easily drill holes on tile, concrete, brick, glass, ceramic, plastic, wood, etc.The U type slot design brings fast drilling dust remove, and 3-flats shank allows drill bit easy plug and to be held tightly. 【WIDE APPLICATIONS】Spear pointed design strong tungsten carbide tip can easily penetrate various material, suitable for masonry wall, cement wall, concrete, tile, wood, metal, stainless steel, aluminum alloy, wood, bubble brick, etc. 【10-PIECE DRILL BIT SET】The package includes 10pcs 1/4 Inch (6mm) glass and tile drill bits and a plastic storage box, easy to carry. 【NOTE】When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.