Diamond Drill Bit, 15 pcs Hole Saw Tools Set, Diamond Hole Saw For Glass/Tile/Ceramic/Marble/Porcelain Carbon Steel

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【EXQUISITE CRAFTSMANSHIP】Our diamond drill bits are made of industrial-grade carbon steel, with a nickel-plated coating to resist corrosion; fine workmanship, super wear-resistant and sharp. 【HIGH-QUALITY DRILL BITS】Each hole is smooth and precise surface treatment, and the thick diamond coating on the top can provide excellent cutting force to achieve maximum drilling effect. 【LARGE CLEARANCE HOLES】These glass hole saws are arranged along the drill bit to facilitate the evacuation of chips and other particles when entering and drilling cooling water. Make the drilling process easier. 【WIDELY USED】This glass drill bit set contains 15 different drill bits to meet various needs. It is used for drilling hard surfaces such as glass, wood, ceramic tile bottles, block pots, ceramic, slate, granite pumice stone, etc. Specifications: Material: Carbon Steel Weight: 0.35kg Color: Silver Hole Saw Diameters: 6mm/0.24", 8mm/0.31", 10mm/0.39", 12mm/0.47", 14mm/0.55", 16mm/0.63", 18mm/0.71", 20mm/0.79", 22mm/0.87", 25mm /0.98", 28mm/1.10", 30mm/1.18", 35mm/1.38", 40mm/1.57", 50mm/1.97" Package Includes: 15 * Diamond Coated Drill Bit Please Note: Not applicable to concrete and please keep adding water to reduce the drilling speed, reduce the drilling pressure and increase the water lubricity 【NOTE】When When cutting hard materials, be sure to keep the tool cool to avoid damage to the material being drilled and premature wear of the tool; water lubrication is necessary when drilling, which can extend the life of the drill bit set.. 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.