Many electricians and plumbers rely on Milwaukee's Selfeed bits for large hole drilling in wood. The inside cutting plane shaves the hole radius for clean smooth holes without pressure. A removable, replaceable feed screw draws the bit into the gummiest of woods effortlessly. A hex shank provides a secure gripping surface for the drill chuck. The bit is coated with a rust inhibitor. Available in 1 In., 1-1/8 In., 1-1/4 In., 1-3/8 In., 1-1/2 In., 1-3/4 In., 2 In., 2-1/8 In., 2-1/4 In., 2-9/16 In., 3 In., 3-5/8 In. and 4-5/8 In. diameters. Use feed screw 48-28-6870, socket wrench 49-96-0060 and set screw 06-83-2625 on diameters less than 3 In. One per package.