Diamantbohrer, 15 Stück, 6–50 Mm, Zum Nassschneiden Von Glas, Granit, Porzellan, Keramik Und Marmor

【Durable】Made of high speed steel (HSS) with nickel plating, the bit head is coated with 80-100 grit diamond, good abrasion resistance, high hardness, extreme sharpness, high quality and long service life. 【Small resistance】 Small incision resistance, the opening speed is fast, easy chip removal and other advantages. Also help to open accurately. Large holes to ensure that when the punching is smooth, the punching is accurate. 【15 sizes】6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 35mm, 35mm, 35mm, 35mm, 33mm. 175 mm. 50mm, all at 50mm length, diamond drill bit with laser marked size, easy to recognize. 【Wide Application】 Ideal for creating your own projects and projects in glass, wine bottles, glass bricks, sea glass, tiles, porcelain, ceramics, granite and more. Do not use on concrete or depths greater than 1/2". Low speed, low pressure, more water: work with all electric and impact drills, start the diamond drill bit at 600-900 rpm, use less pressure. Let your drill bit drill at its own pace. Use plenty of lubricant and coolant (water) to keep the drill tip cool and the hole clean.