Their use in power hand tools:

      - angle grinders,
      - power drills,
      - power hammers,
      - circular saws,
      - saws,
      - electric planes,
      - and other power tools.

  Commutators types:

  1. Segmented commutators:

      - non - reinforced: HK
      - reinforced: HIR, HRI, R

  2. Wrap-strip commutators: HB