1. This hole saw drill bit set adopts M14 thread, suits for angle grinder. The design of U-shaped chip grooves provides longer working life, fast and smooth drilling.
2. The diamond hole saw drill bit set can be used both dry and wet, meet your various needs, recommended adding some water to prolong the service life.
3. Easy To Operate,First, keep the hole drill at a 45-degree angle, and then continue drilling at a 90-degree angle with the horizontal surface. It is easy to install and operate conveniently.
4. Drilling/Milling/Beveling/Cutting 4-functions in one to meet different operational needs.
5.Packed in an aluminium box, it's easy to give as a gift or carry yourself.
