A Series

Helical A Series Flexible Aluminum Couplings meet performance demands over a wide range of applications, including drive systems for encoders, instrumentation, lead screws, small pumps, feed rollers and anywhere a light to medium duty, torsionally flexible coupling is required.

Helical A Series Flexible Aluminum Couplings is Helical’s most popular coupling due to an array of options, in a variety of diameter sizes, that allows you to tailor the A Series to your specific applications. Helical A Series Flexible Couplings feature no maintenance and shaft sizes from 3/32” to 3/4”. Helical A Series Flexible Aluminum Couplings are available in a 7075-T6 Aluminum Alloy material, and with an Integral Clamp or Set Screw attachment.

Showing 349–360 of 428 results

  • AR062-5MM-5MM Helical A Series Flexible Aluminum Set Screw Couplings

    AR062-5MM-5MM

    Outside Diameter: 5/8 in
    Length: 5/8 in
    Major Bore: 5 mm
    Minor Bore: 5 mm

  • AR062-6-4 Helical A Series Flexible Aluminum Set Screw Couplings

    AR062-6-4

    Outside Diameter: 5/8 in
    Length: 5/8 in
    Major Bore: 3/16 in
    Minor Bore: 1/8 in

  • AR062-6-6 Helical A Series Flexible Aluminum Set Screw Couplings

    AR062-6-6

    Outside Diameter: 5/8 in
    Length: 5/8 in
    Major Bore: 3/16 in
    Minor Bore: 3/16 in

  • AR062-6MM-6MM Helical A Series Flexible Aluminum Set Screw Couplings

    AR062-6MM-6MM

    Outside Diameter: 5/8 in
    Length: 5/8 in
    Major Bore: 6 mm
    Minor Bore: 6 mm

  • AR062-7MM-5MM Helical A Series Flexible Aluminum Set Screw Couplings

    AR062-7MM-5MM

    Outside Diameter: 5/8 in
    Length: 5/8 in
    Major Bore: 7 mm
    Minor Bore: 5 mm

  • AR075-12-12 Helical A Series Flexible Aluminum Set Screw Couplings

    AR075-12-12

    Outside Diameter: 3/4 in
    Length: 3/4 in
    Major Bore: 3/8 in
    Minor Bore: 3/8 in

  • AR075-12-8 Helical A Series Flexible Aluminum Set Screw Couplings

    AR075-12-8

    Outside Diameter: 3/4 in
    Length: 3/4 in
    Major Bore: 3/8 in
    Minor Bore: 1/4 in

  • AR075-16-8 Helical A Series Flexible Aluminum Set Screw Couplings

    AR075-16-8

    Outside Diameter: 3/4 in
    Length: 3/4 in
    Major Bore: 1/2 in
    Minor Bore: 1/4 in

  • AR075-6-6 Helical A Series Flexible Aluminum Set Screw Couplings

    AR075-6-6

    Outside Diameter: 3/4 in
    Length: 3/4 in
    Major Bore: 3/16 in
    Minor Bore: 3/16 in

  • AR075-6MM-5MM Helical A Series Flexible Aluminum Set Screw Couplings

    AR075-6MM-5MM

    Outside Diameter: 3/4 in
    Length: 3/4 in
    Major Bore: 6 mm
    Minor Bore: 5 mm

  • AR075-8-3MM Helical A Series Flexible Aluminum Set Screw Couplings

    AR075-8-3MM

    Outside Diameter: 3/4 in
    Length: 3/4 in
    Major Bore: 1/4 in
    Minor Bore: 3 mm

  • AR075-8-4 Helical A Series Flexible Aluminum Set Screw Couplings

    AR075-8-4

    Outside Diameter: 3/4 in
    Length: 3/4 in
    Major Bore: 1/4 in
    Minor Bore: 1/8 in

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