- IMPROVED PERFORMANCE: Weldtec® variable tooth design delivers a long life and more efficient cutting
- FAST CHIP REMOVAL: Variable depth gullets reduce friction for improved chip clearance
- BUILT TO LAST: Heavy-duty bi-metal construction increases durability for extended life
![Irwin® Bi-Metal Hole Saw, 2 1/4", 2" H x 3 1/2" L, #IR-373214BX (1/Pkg) Irwin® Bi-Metal Hole Saw, 2 1/4", 2" H x 3 1/2" L, #IR-373214BX (1/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/258763/449115/373214BX__18105.1669653422.jpg?c=2)