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