Diamond Hole Saw Kit 17PCS Drill Bits Sets with Double Suction Cups Guide Jig Fixture from 4mm-83mm Hollow Drill Set for Ceramic, Glass, Tile, Porcelain, Marble, Granite

Construction: The 15-piece hole saw set features a protective electroplated finish to prevent rust on the hole saws. The diamond grit is spread evenly and stuck to the steel edge, making it easy to drill into masonry and glass quickly Dry & Wet Dual Purpose Design: All hole saws are treated by a special high-temperature resistant process. Even without water as a lubricant, they can still withstand the huge heat generated by the hole saw when it rotates at high speed. Of course, you can also use water as an additional coolant to extend the service life of the hole saw Strong Suction & Accurate Positioning: Upgrade double suction cup design, providing more powerful suction than the single suction cup. TIPS:1.Keep the surface of tile, glass, marble, etc, clean and dust-free. 2. Try to exhaust the air inside the suction cup as much as possible before pulling down the handle Package Content:15 pcs professional integrated steel diamond hole saw: 6 mm / 0.24 ", 8 mm / 0.31", 10 mm / 0.39 ", 12 mm / 0.47", 14 mm / 0.55 ", 16 mm / 0.63", 18 mm / 0.71 ", 20 mm / 0.79", 22 mm / 0.87 ", 25 mm / 0.98", 26 mm / 1.02 ", 28 mm / 1.1", 30 mm / 1.18 ", 40 mm / 1.57", 50 mm / 1.97 ". 1 pc double suction cups ceramic tile holes locator, 1 pc screwdriver used to clean up the debris left in the hole saw after drilling, 1 pc product manual One Set Is Enough: This diamond hole saw kit with drill guide is suitable for smooth surfaces such as ceramic tiles, ceramics, glass（Except tempered glass）, marble, granite, and terrazzo. Our upgrade tile hole saw set can greatly improve work efficiency, save you time and energy