Semroc Centering Rings Fiber BT-20 to ST-11(2pk) SEM-CR-20-11
Featherweight laser-cut fiber rings which center a BT-20 tube inside a ST-11 series tube. Especially useful for making a standard engine mount for ST-11 rocket bodies. Thickness is .050".
I.D = 0.736
O.D = 1.13
Semroc Centering Rings Fiber BT-20 to ST-20(2pk) SEM-CR-20-20 Laser-cut rings for centering a BT-20 motor tube inside a ST-20 tube
Semroc Centering Rings Fiber ST-11 to ST-18(2pk) SEM-CR-11-18 Featherweight laser-cut fiber rings which center an ST-11 series tube inside an ST-18 series tube
Semroc Centering Rings Fiber ST-9 to ST-11(2pk) SEM-CR-9-11 Laser-cut rings for centering a ST-9 motor tube inside a ST-11 tube
Semroc Centering Rings Fiber BT-20 to ST-20(2pk) SEM-CR-20-20 Laser-cut rings for centering a BT-20 …
Semroc Centering Rings Fiber ST-11 to ST-18(2pk) SEM-CR-11-18 Featherweight laser-cut fiber rings …
Semroc Centering Rings Fiber ST-9 to ST-11(2pk) SEM-CR-9-11 Laser-cut rings for centering a ST…
