3.5 Inch Hole Saw, 3 1/2 Hole Saw, M42 HSS Bi-Metal Hole Cutter,Triangular Shank
Complete with arbor and pilot bit, it’s ready to use right out of the box. Each hole saw is crafted from M42 high-speed steel (HSS) with 8% cobalt content, providing exceptional hardness, heat resistance, and wear resistance.