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Entry 2 senses Webster, 1913

Temper screw

· Tem·per screw · IPA
01 A screw link, to which is attached the rope of a rope-drilling apparatus, for feeding and slightly turning the drill jar at each stroke.
  1. 1.
    A screw link, to which is attached the rope of a rope-drilling apparatus, for feeding and slightly turning the drill jar at each stroke.
  2. 2.
    A set screw used for adjusting.