- 46 variable pitch teeth for reduced noise and improved performance
- Backed by the IRWIN lifetime guarantee. Made in the USA from global components
- Bi-metal construction for toughness and long life
- Electron beam weld for stronger, longer-lasting teeth
- Variable depth gullets provide more efficient chip clearance
![Irwin® Bi-Metal Hole Saw, 11/16", #IR-373011BX (5/Pkg) Irwin® Bi-Metal Hole Saw, 11/16", #IR-373011BX (5/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/259481/364353/585-373100BX__48324.1595415829.jpg?c=2)