Disston 698672 Master Mechanic 4 Inch One Piece Bi Metal Hole Saw 1-7/8 Inch Deep

Master mechanic, 1 piece bi-metal hole saw, 4 inch arbor, m3 high speed steel cutting edge, 1-7/8 inch depth of cut, 4/6 variable tooth pattern provides less vibration, delivering faster, smoother cuts then conventional hole saws, features built in 3/8 inch mandrel which may be used with 3/8 inch or larger drill, recommended for cutting soft or hard wood, nail embedded wood, stainless steel, pipe, rubber & conduit,,pilot drill included, carded.