Semroc Centering Rings Plywood ST-9 to ST-18(2pk) SEM-CR-9-18P
Laser-cut plywood rings which center an ST-9 motor tube inside an ST-18 tube
Especially useful for making a 24mm engine mount for ST-18 rocket bodies
ID= 0.998"
OD= 1.8"
Thickness: 0.125"
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
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
Semroc Centering Rings Fiber ST-9 to ST-18(2pk) SEM-CR-9-18 Laser-cut rings for centering a ST-9 tube inside a ST-18 tube
Semroc Centering Rings Plywood ST-9 to ST-16(BT-60)(2pk) SEM-CR-9-16P Laser-cut rings for centering an ST-9 motor tube inside an ST-16(BT-60) tube
Semroc Centering Rings Plywood ST-9 to BT-70(2pk) SEM-CR-9-70P Lightweight plywood rings…
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 ST-18(2pk) SEM-CR-9-18 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…
