Product Description
Step Drill Bit, Material HSS, Titanium Nitride Finish, Number of Hole Sizes 12, Shank Size 3/8 In., Step Thickness 1/16 In., Size Range 3/16 In. to 7/8 In., Sizes Included 3/16 In., 1/4 In., 5/16 In., 3/8 In., 7/16 In., 1/2 In., 9/16 I