The IRWIN Bi-Metal Hole Saws can tear through a variety of materials including: Aluminium, Copper, Iron, Stainless Steel, Wood, and Zinc. Electron beam welded HSS cutting edges give you some of the strongest and longest lasting teeth available today and they're all set with unparalleled accuracy.
Strengths
WELDTEC Tooth Design for up to 100% longer life and 50% faster cutting Variable gullet depths for more efficient chip clearance Thick backing plate for extra stability Bi-Metal construction for durability and shock resistance
Applications
Suitable for Aluminium, Copper, Iron, Stainless Steel, Wood, Zinc