【Good Material】Hole saw set are made of carbon steel and coated with nickel to resist corrosion. Diamond hole saw creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
【Adjustable Drill Guide】No need to worry about scratching your tile when drilling the hole. Our Adjustable hole saw drilling guide with suction cup and 4 bearings will hold the diamond hole saw still during the process. From 6mm to 50mm all the hole saw bit can fit in this guide.The precise positioning system firmly clamps the hole saw to prevent slipping and damage to objects caused by improper operation.
【Hollow Cut Out】The large clearance holes on the diamond drill bit help water cool and flush swarf and other particles from the drill hole,ensuring smooth cut and speed up drilling. When debris gets stuck in the diamond hole saw,the clearance holes allow you to use the screwdriver to pry it out.
【Versatile】Diamond hole saw and guide set suitable for use on smooth surfaces such as tile, ceramic, glass (except tempered glass), marble, granite and terrazzo. to help you with home modification, wine bottle craft, glass or porcelain pot modification. No matter you are a DIYer or family handyman, this set is all you need. It will be your good helper.
