Irwin Bi-Metal Hole Saw 5/8” 16 mm # 373058BX Pack of 3

E3R5 B3(New) Irwin Bi-Metal Hole Saw 5/8" 16 mm # 373058BX Pack of 3-------------------------------* Bi-Metal Construction - for toughness and long life.* Electron Beam Weld - for stronger, longer lasting teeth. Will cut holes in aluminum, copper, iron, stainless steel and zinc.* Variable Depth Gullets - provides more efficient chip clearance.Features and further details-------------------------------* Will cut holes in aluminum, copper, iron, stainless steel and zinc.