1. M3 / M42 HSS Bi-metal edge

2. Cutting depth to 38mm and 47mm

3. Diameter: from 14mm to 210mm

4. Used in portable electric or pneumatic tools, vertica drill machines, lathe, boring / milling machinesand other machines tools

5. 4/6 sharp aggressive teeth, 4/6 TPI variable teeth, 6 TPI constant teeth

6. HSS Bi-metal hole saw built-in arbor also can be provided.  

7. Shank: round, hex, SDA plus, universal