12-Piece Diamond Drill Bit Set – Precision Hollow Core Hole Saws for Ceramic, Ti

【High Hardness Emery Material】Diamond drill bits are made of high-quality emery material, with nickel-plated surface, high strength and high hardness. Most of the materials on the market are diamond and white corundum, our hole saw drill bit kits is made only of emery, which has longer-lasting durability and stability.【Side Slot Design】The hole saw drill bits are designed with enlarged drainage holes. Please add water to cool down during use. The side slots can help cooling water enter and discharge debris from the drilled holes.【Fast and Smooth Cutting】The tail of the glass drill bit is reinforced and welded, and the drilled holes are flat and smooth without damaged edges, providing high-precision, sharp and smooth drilling experience, improving drilling efficiency.【12 Sizes to Choose From】12 different sizes: 3mm(0.12"), 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(0.55"), 16mm(5/8"), 18mm(11/16"), 20mm(3/4"), 22mm(7/8"), 26mm(1.02"), 30mm(1-1/5"), to meet different drilling needs.【Wide Application】Suitable for glass, tiles, ceramics, marble, granite, fiberglass tiles, slate, and other materials. Compatible with most electric drills. You will receive 12 pcs diamond hole saw bits and 1 x slotted screwdriver. What are the advantages of our hole drill bit set?✔ The glass hole saw is made of high-quality emery material, with nickel-plated surface, high strength, high hardness, long-lasting durability and stability.✔ The masonry hole saw is designed with an enlarged drain hole. Please add water to cool down during use. The side groove can help cool water enter and discharge debris from the drill hole.✔ 12 different sizes: 3mm (0.12"), 6mm (1/4"), 8mm (5/16"), 10mm (3/8"), 12mm (1/2"), 14mm (0.55"), 16mm (5/8"), 18mm (11/16"), 20mm (3/4"), 22mm (7/8"), 26mm (1.02"), 30mm (1-1/5"), to meet different drilling needs.✔ The tail is reinforced with welding, and the drilled holes are flat and smooth, providing high-precision, sharp and smooth drilling experience, improving drilling efficiency.✔ Drill glass, tile bottles, block cans, fiberglass tiles ceramics, slate marble, granite lightweight stone.Features:Material: Emery Colour: Silver.Size: 3mm, 6mm, 8mm, 10m, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 26mm, 30mmPackage includes:12 Pcs - Diamond Drill Bits1 - Slotted screwdriverCustomer service guarantee:If you have any questions, please contact us in time and we will solve your questions as soon as possible.Warm tips:Due to the colour settings of your monitor, the colour may vary slightly from the online image. Please refer to the actual product. Thank you for your understanding.