100mm Diamond Hole Saw with Centering Drill, Tile Hole Saw a

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Diamond Hole Saws: Made of carbon steel and equipped with a diamond core drill, they are ideal for drilling in tiles, porcelain, glass, marble, ceramics, etc. Drill a Precise Hole: The pilot centering drill design avoids slippage problems and makes it easy and precise to drill holes in tiles. Longer Life: The thick and smooth diamond coating ensures superior performance. The large clearance hole on the side allows water to cool the hole saw and remove chips faster. Instructions for use: Continue drilling vertically, once a round groove is drilled, you can remove the centering drill and continue drilling. Keep the rotation speed between 500 and 800 rpm and use water to ensure the cooling of the saw. Returns, Refunds and Replacements Delivery Timeframe Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows: For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-12 working days.