🛠️ QLOUNI Masonry Tungsten Concrete Assorted: Durable Tools for Concrete & Masonry Projects Review

[High Performance] high quality hard alloy steel drilling head and special sharpening technology ensure drilling efficiency with less incision resistance. The surface of the drill bit goes through total grinding processing and anti-rust treatment, so the drilling and chip removal is smoother, plus higher hardness and more wear-resistant than ordinary drills. [High Efficiency] The triangular edge design is combined with the special slotting process to facilitate the ash discharge, greatly improving the punching efficiency. The double-threaded U-shaped flute design is smooth and flat, allowing the chip to be removal quickly. [Multipurpose] Masonry drill bits set is perfect for drilling in all kinds of materials inlcuding ceramic tile, concrete, tile, brick, wood, plastic, glass, masonry, and more. Note: When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication. [Practical Tool] Ceramic drill bits ideal for drilling fastner holes in bathroom tiles,or wall mirrors. It is a useful tool kit for home. [Assorted Size] 10 Pcs drill bit set with 4 different sizes,4x 6mm(1/4"),2x 8mm(5/16"),2x 10mm(3/8"),2x 12mm(1/2"),various sizes for different use to help you finish various of your daily needs.