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 BT-20 to 35mm(2pk) SEM-CR-20-T35 Featherweight laser-cut fiber rings which center a BT-20 tube inside a Metric 35mm tube
Semroc Centering Rings Fiber BT-20 to 40mm(2pk) SEM-CR-20-T40 Laser-cut rings for centering a BT-5(13mm motor tube) tube inside a T40(40mm Metric Tube)
Semroc Centering Rings Plywood BT-20 to ST-20(2pk) CR-20-20P 2 pack
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 BT-20 to 35mm(2pk) SEM-CR-20-T35 Featherweight laser-cut fiber rings wh…
Semroc Centering Rings Fiber BT-20 to 40mm(2pk) SEM-CR-20-T40 Laser-cut rings for cente…
Semroc Centering Rings Plywood BT-20 to ST-20(2pk) CR-20-20P 2 pack
