21Pcs Diamond Hole Saw Set, Diamond Drill Bits 6-50mm,Tile Hole Saw Set with Adjustable Hole Saw Guidance Fixture blue

15 Sizes Diamond Hole Saw: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 40mm, 50mm. Diameter of Triple-cornered bit: 6mm, 8mm, 10mm, 12mm. Hole saw set include 15 holes saw drill bits + 4 Triple-cornered bit+1 hole saw guide clamp+1 screwdriver. Buy as a set and save over 80 percent.
Quality Material: Our diamond drill bits are made of industrial-grade carbon steel and are coated with a nickel-plated coating to prevent corrosion. The diamond hole saw can increase the drilling speed and create a sharp, high-precision and smooth cut in a few seconds without broken edges.
Hole Saw Guide: No need to worry about scratching your tile when drilling the hole. Our Adjustable hole saw drilling guide fixture with suction cup. The maximum opening length of the plate is 3-1/4 inch, which is large enough to fit all sizes of adjustable hole saws. The guide plate has 4 removable ball bearing, you can choose 2 modes (fixed 3 or 4 bearings), just flip the plate.
Widely Use: This diamond hole saw suitable for drilling holes in tiles, glass, ceramic, marble, countertops, granite, etc. When the diamond bit is working, please continue to add water to reduce the drilling speed, reduce the drilling pressure, and increase the water lubricity, which will greatly extend the life of the bit.
Note: The large clearance holes on drill bit help cooling with water and rinse chips and other particles from the borehole, ensuring smooth cut and speed up drilling. When debris gets stuck in the hole saw,the clearance holes allow you to use the screwdriver to pull it out.

Colour:blue
Material:Metal

Package Contents:
15 x holes saw drill bits
4 x Triple-cornered bit
1 x hole saw guide clamp
1 x screwdriver

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.