Serrated Pagoda Drill Bits Multi-layer Bits 20mm/35mm/50mm/Three Sizes Hole Enlargement Brazing Diamond Bits

1. High brazing process and Serrated drill bit, efficient construction sharp dry cut

2. Three speed reaming and chamfering:20mm/35mm/50mm

3. Brazing multi-layer reamer ,expand hole, chamfering and edge trimming.

4. Dry Pagoda Bits, No need water and no need to change drill bits during work, saving time and improving efficiency.

Adapter to transform Angle Grinder M10/M14/M16 or 5/8-11, Please buy here.