HPMAISON Tile Drill Bits, 10Pcs Tungsten Carbide Tip Bit Set, Industrial Strength Bits for Ceramic Tile, Glass, Brick, Cement, Plastic, Wood, 3 4 5 6 8 10 12mm

【High Quality Material】Alloy tip with carbide inserts, which is characterized by higher hardness. Carbide inserts tips are designed to ensure long life and keep the wire much longer than regular steel tips 【U-slot and triangular handle】U slot for quick dust removal during drilling; triangular handle for more stable use 【Wide Application】 The sharp tungsten carbide tip can easily penetrate various materials (porcelain ceramic tiles, glass, mirrors, plastic, masonry and wood). If you use the drill bits to drill concrete, brick walls and other hard materials (glass, porcelain tile, marble or granite), please use water as lubricant 【Set of 10 Tungsten Carbide Tile Bits】 3mm x 1pc, 4mm x 1pc, 5mm x 1pc, 6mm x 4pcs, 8mm x 1pc, 10mm x 1pc, 12mm x 1pc, 12mm x 110 【3 Groove Shank】These ceramic tile drill bits perfectly fit various drilling jobs, ensuring high accuracy. Rotating thread design for smoother drilling and chip removal 【First-class performance】Spearhead design, this sturdy tungsten carbide tip is sharp, easy to place, drill stably, fast, without breaking the edge, with a clean and smooth opening. The 3-sided shank ensures a firm grip, without slipping or scratching, and will not damage the glaze of the tiles