Technical features

Technical features


  • High-strength, alloyed spring steel 51CrV4
  • High level of protection against brittle fracture, especially at low temperatures


  • Multi-layered & environmentally friendly chrome (VI)-free coating
  • Zinc-containing, inorganic base coating and organic top coat
  • Complies with the guidelines of the German Automobile Act (RoHS-compliant)

Corrosion protection

  • Exceptional resistance to corrosion, temperature (up to 210°C) and chemicals
  • Guaranteed 720 hours of salt spray resistance in accordance with DIN EN ISO 9227

Available nominal diameters and band widths

  • Nominal diameter 9.0 mm - 90 mm
  • Band widths 8.4 mm, 10 mm & 12 mm


  • Depending on the hose-support combination, connections of up to a maximum of 11 bar can be fastened


  • DIN 3021: Hose clamps – Spring band clamps
  • DIN 3021-1: Dimensions, marking, materials, types
  • DIN 3021-2: Technical delivery conditions
  • DIN 3021-3: Spring band clamp-hose-spigot
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