product description:
Features: ●Good performance:diamond dust coating offers superior performance and cutting strength
●Wide application: coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication.
●15 SIZES: No matter which size hole you want, it can always drill a perfect hole for you.
Specifications: ●Material: high quality steel, diamond dust coating
●Color: Silver.
●Size: 6 - 50mm (6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 35mm, 40mm, 50mm)
●Quantity: 15 pcs
Package： ●15x Diamond Coated Drill Bit
Use note： 1.Start your hole diagonally, make a round trace and then hold drill straight.
2.Always use lubrication (water), otherwise the diamond core drill will bur.
3.Low drill pressure and increased use of water lubrication will extend drill bit life considerably.
4.Not for use on concrete or for depths beyond about 1/2"
How to drill correctly: 1. Firstly, mark the point where you want to drill the hole;
2. Next, fix the drill at the angle of 45° to make a drilling trace at a high rotating speed, and add water during the drilling process;
3. Then drill vertically from the other side of the drilling trace at a slow speed to prevent breakthrough.
Why Choose Toopro？ ▶Good quality and reliable brand
▶24-hour feedback excellent customer service
▶Any purchase doubt please ask in the Q&A, we will answer it as soon as possible
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