IRWIN 373400BX 4-Inch Bi-Metal Hole Saw by Irwin Tools

商品説明

Bi-Metal Construction - for toughness and long life;Electron Beam Weld - for stronger, longer lasting teeth;4/6 Variable Pitch Teeth - for reduced noise and improved performance;Variable Depth Gullets - provides more efficient chip clearance;Will cut holes in aluminum, copper, iron, stainless steel and zinc.