1The two heads are four inches in length, one inch of which is provided with a screw thread.
2The larger portion is about twice as thick as the smaller, to allow room for the screw threads.
3She fished out a short metal bracket drilled with four holes, a scorched screw threaded through each hole.
4After a year in use the tubes can be unscrewed with ease, and the screw threads are perfectly smooth.
6The screw threads should be filled with fireclay (as recommended by Faraday) before the joint is screwed up.
7A screw may be turned into hardwood easily, by boring a small hole and lubricating the screw threads with soft soap.
8A hybrid denture is one that is fabricated over a metal framework and retained by screws threaded into the implant abutments.
918 a screw thread tool, and Fig.
Translations for screw thread