5 Pieces Tile Drill Bits, 3/4/5/6/7mm Ceramic Glass Tile Hex Cross Bit Set Carbide Cemented Drill Tool Masonry Drill Bits Kit (Size : Silver 3-4-5-6-7mm) - DUPHA, DUPHA

• Tile drill bit, Industrial strength carbide drill bit tip, excellent abrasion resistance, make the drilling much more easier. The bit features a Tungsten carbide tip for extended bit efficiency and life. This porcelain tile drill bit is suitable for most general drill, electric drill, hand drill and bench drill. this ceramic tile drill bits can easily penetrate various material , glass, ceramic tile, marble, wood, travertine, ceramic, stone, concrete, brick, hard plastic, cement, etc. ideal for drilling fastner holes in bathroom tiles, or wall mirrors, can easily drill holes on tile, concrete, brick, glass, ceramic, wood, and reduces breakout, please cooling with water and control the speed when drilling.
• Standard Size-17mm(length)X17mm(width)X2.0mm(thickness) square straight with 4 edges,35 degree cutting angle Most Convenient-If one knife edge is dull or nicked, just turn it to another edge which greatly reduces you down time.and all are of the same sharpness 10 pieces per box,packed with a plastic container for safe and easy storage Easy to operate,each blade has 4 sharp edges,if one is dull, just change it to the other side Carbide cutter Corners are very sharp with virtually no radius Best choice for turning straight profiles and nearly 90° inside corners