QWORK® 10pcs 8mm Tungsten Carbide Multi-functional Drill Bits Sets for Tile Concrete Brick Glass Plastic Wood

Pack of 10 x 8 mm drill bits. The set comes with a durable plastic case for safe storage. 【Fast and Efficient Drilling】The sharp design solid tungsten carbide tip can easily penetrate into various materials and reduce escapes. CUT PERFECT CIRCLE HOLES: suitable for glass, tile, wood, ceramic, etc.When drilling hard materials(glass, porcelain tiles), please use water for lubrication. Safe and Convenient The U-shaped groove allows efficient discharge of waste and heat. Tri-flat on drill bits shank is constructed for tighter clamping maximizing safety for precise holes. SATISFACTION GUARANTEED We do our best to make sure every product is in perfect condition before you get it, but if something doesn't satisfy you, please contact us for a full refund or replacement.