The Bordo Deck Bit with an adjustable countersink designed for use with 10-gauge screws is a specialized drilling tool for woodworking applications, particularly in deck construction and similar projects. It is designed to create pilot holes for screws while also creating a countersink, allowing the screw head to sit flush with or below the surface of the wood.

  • Pilot hole to suit 10G or 14G screws.
  • Prevent decking timber splitting.
  • Adjustable, free spinning, non-marking collar.
  • Wide gullets prevent the jamming and clogging of wood chips.
  • Large gullets also provide an unobscured view of the operation.
  • Replaceable HSS pilot drill.
  • Heavy duty hex shank ensures maximum torque transfer & eliminates chuck slip.”


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