The inside cutting plane of the drill bit shaves the hole radius for clean smooth holes without pressure. A removable, replaceable feed screw draws the bit into the gummiest of woods effortlessly. Its 7/16" hex shank provides a secure gripping surface. Coated with a rust inhibitor for longer life. Cutting edges can be resharpened. Two feed screws are included.
Center feed screw pilots the bit and allows the bit to pull through fast
Bits are resharpenable and include two removable, replaceable feed screws
Inside cutting plane shaves the hole radius for clean, smooth holes without pressure