Definition of pilot hole in English:

pilot hole


  • A small hole drilled ahead of a full-sized hole as a guide.

    • ‘If the hole is stripped and the screw won't tighten, remove the screw and drill a deeper pilot hole for a new 3-in. screw that will extend into the framing behind the jamb.’
    • ‘To avoid this, use a cordless drill to drill a pilot hole, one slightly smaller than the shank of the nail and then drive the nail into this.’
    • ‘Drill a pilot hole with a 3/16-inch bit and insert the screw.’
    • ‘Pre-drilling a pilot hole, slightly smaller than the nail thickness you will be using, prevents splitting the wood and is recommended for hardwoods (oak, maple, etc.) or near the ends of boards.’
    • ‘What they do is to drill a pilot hole in the bolt, and place a bit into the hole that is reverse threaded so that while you are tightening up the bit, it is backing out the bolt.’
    • ‘Self-tapping screws have a special point that resembles a drill bit and are capable of cutting their own pilot hole in light gauge sheet metal.’
    • ‘Pull the hole saw out and begin drilling from the other side using the pilot hole as your center guide.’
    • ‘A pilot hole is a hole drilled with a bit that is slightly thinner than the shank of the nail.’
    • ‘They are put in place by drilling a hole through the mortar between the bricks (almost the entire width of the mortar) and then drilling a pilot hole in the block wall.’
    • ‘Drill a pilot hole in plaster using the appropriate size masonry drill bit and tap in the anchor with the heel of a screwdriver or a hammer.’
    • ‘Drill 1/8-inch holes through the templates at each pilot hole location.’
    • ‘When the glue has dried, trim the dowel off flush with the cabinet, drill a small pilot hole into the end of the dowel, and reinstall the door with the original screws.’
    • ‘We like to drill a pilot hole into the stud to make installing the screw easier.’
    • ‘Smaller screws have less chance of splitting wood, but if you're using larger screws and/or working near the end of a piece of wood then it's often safer to drill a pilot hole first.’
    • ‘If necessary, fill the old holes with wood filler and drill new pilot holes in the doors and cabinet frames.’
    • ‘Drill a small hole through the plaster, called a pilot hole, and then attach a picture hook nail or other sturdy fastener using the hole.’
    • ‘If needed, drill a pilot hole before nailing to prevent the wood from splitting.’
    • ‘If these simpler techniques are not working, try drilling a pilot hole through the board, nailing from above with a finishing nail, and then countersinking the nail and filling the hole with wood dough.’
    • ‘With attention now focused on the femur, the surgeon inserts a hollow, box osteotome in the femoral canal to create a pilot hole for femoral reaming instrumentation.’
    • ‘This requires using a brad-point bit with a smaller bit to drill a pilot hole.’