Description of Efficiently Cut Aluminum and πͺ Copper with Uxcell Bi Metal Cutting Tool
2-13/16 Inch (71mm) Bi-Metal Hole Saw. Easy to use. Bi-Metal Construction - for toughness and long life. Sharper Tooth - cut holes in aluminum, copper, iron, and zinc drywall, wood. Variable Pitch Teeth - for reduced noise and improved performance. Variable Depth Gullets - provides more efficient chip clearance.