Countersinking Bits for Decks and Docks. Pre Drilling and Countersink Tools All in One Deck Screw Counter Sink Bit. Great with our Stainless Screws Deck Screws, for the Perfect Hole and Fit. Countersinks Cut Cleanly in Hardwoods Such as IPE. For all Your Marine, Coastal and Timber Construction Decking Projects. Composite Deck Screw Countersink Bits.
