Screw thread

part · 250 BC · Ancient world

A helical ridge on a rod or in a hole.

Principles and materials it uses

Wood — is made of. The threads of presses were wooden.
Screw — uses. A thread is a screw.

Where it is used

Bolt and nut — is part of. A bolt and a nut are joined by a thread.
Screw-cutting lathe — is used in. The lathe cuts precise standard threads.
Rifling — is used in. Helical grooves.
Screwdriver — is used in. It drives screws.
Tourniquet — is part of. Petit’s tourniquet was tightened with a screw.

History: what it evolved from and what it influenced

Screw — evolved from. A thread is an application of the screw.

Take Screw thread apart