- Parts for Rockets
- Centering Rings
- BT-80 & BTH-80
- Semroc Centering Rings BT-58 to BT-80(6pk) SEM-RA-58-80 *
Semroc Centering Ring BT-58 to BT-80 (6pk)
Featherweight laser-cut fiber rings which center a BT-58 tube inside a BT-80 tube. Especially useful for making a 24mm engine mount for BT-80 rocket bodies. Requires two per engine mount. Thickness is .050".