Semroc Centering Rings Plywood ST-9 to BT-70(2pk) SEM-CR-9-70P
Lightweight plywood rings which center a ST-9 series tube inside a BT-70 series tube
Especially useful for making a 24mm engine mount for BT-70 rocket bodies
ID= 0.998"
OD= 2.175"
Thickness: 0.125"
Semroc Centering Rings Plywood ST-9 to BT-80(2pk) SEM-CR-9-80P Laser-cut rings for centering a ST-9 tube inside a BT-80 tube
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Semroc Centering Rings Plywood BT-50 to BT-70(2pk) SEM-RA-58-70P Lightweight plywood rings which center a BT-50 series tube inside a BT-70 series tube
Semroc Centering Rings Plywood ST-9 to BT-80(2pk) SEM-CR-9-80P Laser-cut rings for cente…
Semroc Centering Rings Fiber ST-9 to BT-70(2pk) SEM-CR-9-70 Laser-cut rings for centerin…
Semroc Centering Rings Plywood ST-9 to ST-16(BT-60)(2pk) SEM-CR-9-16P Laser-cut rings fo…
Semroc Centering Rings Plywood BT-50 to BT-70(2pk) SEM-RA-58-70P Lightweight plywood rin…
