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Pilot hole
A smaller hole drilled into a material prior to a larger hole being drilled, widening the hole to the desired width. Drilling a pilot hole prevents a larger drill bit from slipping on the material - a potential safety hazard, as well as an increased likelihood of the work being damaged. Normally, a centre punch is used before drilling the pilot hole to ensure that the smaller pilot drill bit does not slip.
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- Part of Speech: noun
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- Industry/Domain: Construction
- Category: Carpentry
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