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All Categories > Hair Spring Fabrication  

Hair Spring Fabrication

At IFG Instruments, we use our precision rolling and spring coiling capacities for hair spring fabrication services. Hair springs, flat, coiled wire springs, are used for every analog application: automotive speedometers and tachometers, aircraft speed and altitude indicators, and pressure and temperature gauges. We are able to work with several different metals to suit the electrically-conductive requirement of hair springs: phosphor bronze, beryllium copper, stainless steel, and NiSpan C. We can also produce bimetal coils, made of two different materials welded together, with different expansion rates to indicate temperature or humidity.

Hair springs from IFG Instruments are available in various sizes, wire diameters and coil diameters, with end extensions in configurations including straight, hooked, right angle, or curved. These are delicate parts that make extensive use of our specialty in small-scale, precision manufacturing.

  • Automotive speedometers and tachometers
  • Aircraft speed and altitude
  • Pressure and temperature gauges
  • Variety of electrical indication
  • Materials: Phosphur Bronze, Beryllium Copper, Stainless Steel, and NiSpan C
  • Bimetal coils are also possible to indicate temperature or humidity

  • Specifications  · Hairsprings  · Bimetal Springs



  • Phosphur Bronze
  • Beryllium Copper
  • Stainless Steel
  • NiSpan C
  • Applications

  • Automotive Speedometers & Tachometers
  • Aircraft Speed & Altitude
  • Pressure & Temperature Gauges
  • Electrical Indication
  • Industries Served

  • Automotive
  • Aircraft
  • Pressure Gages
  • Temperature Gages
  • Quality Certifications

  • DIN EN ISO 9001:2008
  • ISO IS 16949:2009
  • EN ISO 13485:2003 - AC:2009
  • DIN EN ISO 14001:2004

  • Hairsprings

    Strip Width

    up to 4mm

    Strip Thickness

    from 0.01mm


    Copper Alloys, Stainless Steel

    Wire Processing

    Drawing and Rolling


    Automotive Industry, Measurement and Control Technology

    Bimetal Springs

    Strip Width

    up to 1mm

    Strip Thickness

    from 0.005mm



    Wire Processing

    Drawing and Rolling

    Manufacturing Processes

    Widning and Coiling


    Temperature range from -40ºC to 500ºC

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