Pilot Holes

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  • Clearance and pilot holes for wood screws

    DIY Data — Holes for wood screws - sizes for clearance and pilot holes for soft and hard woods. As the upper part of the shanks of wood screw are unthreaded, clearance holes should be drilled in the top piece of timber, this will allow the timber to be ...More…

  • What Size Pilot Holes

    Reader's Digest — You're always talking about drilling pilot, clearance and countersink holes when working with wood screws. What size holes do I drill? The purpose of the pilot hole is either to reduce the chance of splitting a board or to make a screw easier to ...More…


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