NZ Stock Diamond Coated Drill Bit Hole Saw for Glass Ceramic Marble Tile Granite (3mm–55mm)

Make clean, accurate holes in hard, brittle materials with this diamond-coated core drill bit (hole saw). Designed for smooth cutting and long service life, it’s ideal for glass and tile work where a neat finish matters. Key features Diamond-coated cutting edge for good performance and longer life Excellent for clean, accurate holes in glass, ceramic, marble, granite, and tile Also suitable for plastic sheeting and wood (material-dependent results) Works best with an electric drill (drill not included) Core drill bit / hole saw style for faster opening and cleaner edges CE certification Size / Options Available sizes: 3mm–55mm Choose the required diameter for your job (best results depend on correct size, speed, and cooling) How to use (best practice) Mark the drilling point and start slowly to create a guide ring Use water for cooling/lubrication (especially on glass, tile, stone) Keep steady pressure—do not force the bit For glass/tile: use low to medium speed and consistent cooling to reduce cracking/chipping Notes Electric drill is NOT included Always wear eye protection and use water cooling where appropriate Specifications Type: Core Drill Bit (Hole Saw) Material: Diamond Use: Openings in Glass, Ceramic/Tile, Granite, Marble (also plastic sheeting, wood) Size range: 3mm–55mm Model Number: Glass Hole Saw Certification: CE