- 4/6 Variable Pitch Teeth - for reduced noise and improved performance
- Bi-Metal Construction - for toughness and long life
- Electron Beam Weld - for stronger, longer lasting teeth
- Variable Depth Gullets - provides more efficient chip clearance
- Will cut holes in aluminum, copper, iron, stainless steel and zinc
![Irwin® Tools 1-1/4" Bi-Metal Hole Saw, 0.65" H, 10" L, #IR-373114BX (5/Pkg) Irwin® Tools 1-1/4" Bi-Metal Hole Saw, 0.65" H, 10" L, #IR-373114BX (5/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/122251/449082/373114BX__57813.1669647957.jpg?c=2)