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Doughty Round Shank Knuckle Joints - 4 Sizes Available [Multi-Pack]



MTN SHOP Shipment COVID-19 Update: Our team is working hard to process your orders. Due to the effects of COVID-19, some carriers are experiencing delays on shipments. As a result, we are projecting standard shipment times of 7-10 days. Please chat with our team below for a shipping estimate on your order.

Knuckle Joints - Doughty Engineering

Knuckle joint is a mechanical joint used in structures for connecting two intersecting cylindrical rods, whose axes lie on the same plane.

It is free to rotate about the axis of a knuckle pin (referred to the diagram).

Knuckle joints provide articulation in a length of barrel and are Ideal for use in special one-off applications. Due to the simple and easy design, it can be quickly dismantled and assembled.

For any inquiries, please contact us via chat. 


  • Plug diameter: 39.5mm, 41.4mm, 44mm & 47mm
  • Weight: 0.35kg

Shipping Rates

Ireland & U.K. Rest of EU
€0 - 150 €15 €17,35
€150 - €250 Free €17,35
€250 - €800 Free €32
€800 - €2000 Free Free