A small or minor drill or drilling tool; a diminutive form suggesting a smaller version of a full drill.
From 'drill' plus the diminutive suffix '-et' (from French '-ette'). Rare term appearing primarily in specialized or historical tool catalogs.
In older tool catalogs, craftspeople would distinguish between 'drills' and 'drillets' the way we now use 'nail' versus 'brad'—a drillet was perfect for delicate jewelry or dental work where full-sized drills would be destructive.
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