Copper products: LEONI Smooth-Bunch


LEONI smooth bunches boast an exceptionally compact and precise round structure.

LEONI has had its manufacturing process specifically dedicated to this type of product patented. LEONI smooth bunches come as semi-concentric or concentric strands with very short lay lengths and an extraordinarily smooth surface.


  • Thin-gauge coating with high-grade isolation materials
  • Moving applications benefitting from a long flex life

Particular benefits for our customers

  • Weight efficiency
  • Space efficiency
  • Isolation material economies

Manufacturing range

“No pollutants” policy

All materials we use to make single wire are absolutely compliant with RoHS, thus corresponding to EG regulation 2011/65/EU. (See article “Cadmium – end of the line”).

In response to inquiries made, we can confirm that our products do not contain any minerals that originate from regions of conflict. They are in full accordance with the American Dodd-Frank-Act.


Other diameters and materials upon request may be found.

Sales network

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