Diamond Drill Bit Set, THINKWORK 10 PCS Glass Hole Saw for Tiles Glass Ceramic Marble, 6mm -- 50mm
Why do customers choose to buy our diamond hole saw set? 1. These diamond drill bits are made of industrial grade carbon steel and have a nickel-plated coating to prevent corrosion.
The thickened diamond coating on top provides excellent cutting strength.
2.10 different drills, can meet various needs: 6mm, 8mm, 10mm, 12mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm
3.Adjustable hole saw drilling guide fixture with suction cup + exquisite screwdriver.

Hole saw guide: Material: rubber base + plastic shell + steel
Two fixed modes are available: Mode 1, reverse side of adjustable plate: You can fix the hole saw with 4 bearing balls, the maximum size is 3-1 / 4 inch.
Mode 2, Adjustable plate reverse side: Place the reverse rotation plate, and then move a bearing ball to the bearing hole.
You can fix the hole saw with 3 bearing balls, the maximum size is 1-3 / 4 inches.

NOTE: 1. If you smell a burning odor, step back! Either it is too fast or the pressure is too great.
The bit you are drilling must not be exposed to high temperatures or even heat.
2. Not suitable for concrete or deeper than 1/2 inch.
3. Lubricating water is needed when drilling, which will greatly extend the life of the drill.

The package includes: 1 PC hole saw rail clamp
10 PC diamond coated drill
1 screwdriver
1 instruction manual