draadtappen (ww):
bohren(en) to cut an internal screw thread in (a hole); to cut (an internal screw thread) in a hole; to create an internally threaded hole in (something)., schneiden(en) to cut an internal screw thread in (a hole); to cut (an internal screw thread) in a hole; to create an internally threaded hole in (something).
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Via: Memodata.com