BIMETAL HOLE SAW 3-1/2"

Bosch Bi-Metal M42 Hole Saws are made of M42 alloy with 8% cobalt alloy to withstand high-temp applications and feature a triangle slot design which improves efficiency of plug removal to reduces heat. They have progressor tooth design with alternating teeth size for fast cutting and longer life. These hole saws also feature a reinforced shoulder for additional strength and deeper cut.