Vulcan 960401OR Hole Saw, 1-1/4 in Dia, 1-3/4 in D Cutting, 4/6 TPI, HSS Cutting Edge

High-speed steel teeth are welded to insure consistent bond between body and teeth, and vacuum heat treated for consistent blade hardness. 4/6 Variable pitch tooth pattern for safe and efficient cutting through ferrous and non ferrous metals, wood with nails, plastic, fiberglass, wood and wood composite products.