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Centering Ring - BT-20 in BT-50 (24mm Thrust Ring)

Centering Ring - BT-20 in BT-50 (24mm Thrust Ring)

Item is in stock


This is a standard paper centering ring for centering a BT-20 (18mm motor) tube in a BT-50 tube. This part is often used to create an 18mm motor mount for a BT-50 rocket. This is also used as a 24mm motor thrust ring or engine block.

  • Length/Thickness: 0.25 inches (6.4 mm)
  • Inner Diameter: 0.740 inches (18.8 mm)
  • Outer Diameter: 0.945 inches (24.0 cm)

Please note that manufacturers sometimes update their products and packaging. If receiving a specific version of a product is important to you, please contact us before ordering.


  • Model: CR2050
  • Shipping Weight: 0.2lbs
  • 100 Units in Stock
  • Manufactured by:


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