* M3 bi metal construction for heavy duty cutting
* Can be used in portable electric or pneumatic tools, vertical drill machines, and other machine tools.
* For heavy duty cutting in stainless steel , pipes, aluminum, cuprum, hardwood, plywoodand and plastics.
* Curved teeth design to strengthen each tooth for longer life and improved durability.
* Sharper Tooth Geometry cuts material faster for faster drilling.
* Increased high speed steel height (highest in the industry) improves hole saw durability
* Open eyelets provide for easier removal of cut materials and increased visibility while cutting
* Extra charge for the pilot and arbor

Diameter from 14mm to 210mm
Cutting depth:38mm
Packing:blow caes,slide card,double blister card and carton box..