Arbor Size : 5/8-18 Cutting Depth : 1-1/2 In Teeth Per Inch : 4/5 Shank Size : 1/2 In Shank Type : Hex Tooth Type : Advanced Pilot Drill Size : 1/4 In Dia X 3-1/4 In L Diameter : 38 Mm Cutting Edge Material : Bi-Metal Body Material : HSS Finish : Full Polished/Nickel Chrome Applicable Materials : Aluminum, Cast Iron, Metal, Mild Steel, Stainless Steel, Wood Suitable For : 2L, 6L Snap-Back, 2L, 3L, 6L And 7L Standard Arbors