Split ring may refer to the following:

Engineering

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  • Split-ring resonator is a unit which enhances magnetic permeability and magnetic coupling for metamaterials.
  • Split-ring connector is a ring shaped type of timber connector that is in inserted in routed grooves between timber members in order to reduce stresses to the timbers at the connection points.
  • Commutator (electric), also called split rings.

General

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  • A small keyring
  • Circle cotter, also known as a cotter ring, a formed wire fastener that is shaped like a circle, hence the name.