Uxcell 16mm Dry/Wet Sintered Diamond Core Drill Bits for Concrete Stone Black

Uxcell 16mm Dry/Wet Sintered Diamond Core Drill Bits Hole Saw for Concrete Stone Black

1. Sintered diamond cutting edge contains diamond particles from inside to outside, to ensure that the edge is always sharp.
2. Suitable for drilling concrete, masonry, hard brick, marble, stone, and other hard materials.
3. 2. Can be dry or wet drilling. To prolong the using life, it is recommended to be used with water for cooling and lubrication.
4. The large clearance hole facilitates the entrance of cooling water and the escape of chips and other particles from drilling.
5. With sharp cutting edge, the core drill bits cut clean and fast holes, and make drilling process much easier. Can be used on electric hand drills and bench drills.
6. Notices: When cutting holes, it needs to be positioned at an oblique angle of 45 degree and make a crescent-shaped trace on the material. Then cut holes vertically and need to be cooled with water.
7. Package Included: 1 Pack x Diamond Core Drill Bits.