countersinks

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  5. Tools and Equipment (hierarchy name)
  6. equipment
  7. [equipment by process]
  8. [surface working and finishing equipment]
  9. [surface working and finishing tools and accessories]
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Scope note
Hand tools that usually take the form of a triangular blade at the end of a shaft; used to make conical depressions for recessing the head of a bolt, nut, or screw so that it is flush with the surface.
countersinks
Accepted term: 03-Feb-2025