- 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® 1-5/8" Bi-Metal Hole Saw, 2 H X 3 1/4 L, #IR-373158BX (1/Pkg) Irwin® 1-5/8" Bi-Metal Hole Saw, 2 H X 3 1/4 L, #IR-373158BX (1/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/122246/449106/373158BX__15458.1669651210.jpg?c=2)