zerotop Diamond Drill Bits with Hole Saw Guide 16Pcs Hole Saw Set with Triangle Drill Bit Set & Screwdriver Suitable for Ceramic, Glass, Tile, Marble Porcelain
- 【Durable Material】The diamond hole saw is made of high-temperature sintered industrial-grade carbon steel and has a long service life. It has a nickel-plated coating to resist corrosion, wear resistance, durability. Each hole is smooth and precise surface treatment, and the top is thickened with diamond to achieve excellent cutting strength..
- 【Large Clearance Hole】The large clearance holes of the drill bit help the cooling water to enter and flush particles such as chips, reducing drilling resistance. When the debris is stuck in the small hole saw, you can use the equipped screwdriver to pull it out to make the drilling process smooth and easy..
- 【Adjustable Drill Guide】The minimum and maximum opening lengths of the adjustable hole saw guidance fixture is 4mm/0.16in and 84mm/3.3in respectively, which can fix hole saws of any size. The diamond drill bit set has two modes (fixed 3 or 4 bearings) for your choice. You take off the two big nuts and install the chassis in reverse, and install one of the bearings to the center to form a three-bearing..
- 【Wide Usage】The diamond hole saw drill bit set is very suitable for removing rings on marble, tiles, glass, ceramics, PVC or other materials. It is the excellent choice for your home decoration, D....