Vulcan 942341OR Carbon Hole Saw with Mandrel 3" Go to amazon.com Related posts Best hole saw bit Top 15 recommendation hole saws 3 for 2022 FeatureMaterial : Carbon steelCardedHole Diameter : 3"For use with hardwoods or softwoods. Includes pilot bit and mandrel. Description"Vulcan" Hole Saws Material : Carbon steel Carded Hole Diameter : 3" For use with hardwoods or softwoods. Includes pilot bit and mandrel.