- Parts for Rockets
- Centering Rings
- Semroc Centering Ring BT-20 to Metric 35(6pk) SEM-CR-20-T35 *
Semroc Centering Ring BT-20 to Metric 35 (6pk)
Featherweight laser-cut fiber rings which center a BT-20 tube inside a Metric 35 tube. Especially useful for making an engine mount for Metric 35 rocket bodies. Requires two per engine mount. Thickness is .050".