Definition of self-tapping in English:

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self-tapping

Pronunciation: /sɛlfˈtapɪŋ/

adjective

(Of a screw) able to cut a thread in the material into which it is inserted.
Example sentences
  • Over wood framing you can fasten the siding using hand- or air-driven galvanized nails or wood screws, or use self-tapping screws for installation over metal studs.
  • Attach rim joists to the outside of the beveled posts with two four-inch, self-tapping screws per joint.
  • For lighter gauge sheet metal, there are also self-tapping screws available that don't require pre-drilling.
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