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pilot hole
(redirected from pilot holes)

   Also found in: Dictionary/thesaurus 0.01 sec.
pilot hole [′pī·lət ‚hōl]
(design engineering)
In metal-forming operations, a prepunched hole in a metal strip into which the pilot component of the die enters in order to assure precise registration of the strip at each work station.
(engineering)
A small hole drilled ahead of a larger borehole.
(mechanical engineering)
A hole drilled in a piece of wood to serve as a guide for a nail or a screw or for drilling a larger hole.

pilot hole
A hole which serves as a guide for a nail or screw, or for drilling a larger-size hole.


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Drill pilot holes for the nails at the ends of the board to prevent it from splitting.
Also, pilot holes must be drilled for the hardware to attach this wood.
If so, work out where the joist is - this should be apparent from the row of nails - and drill new pilot holes through the board into the joist.
 
 
 
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