Semroc Centering Rings Fiber BT-20(18mm Motor Tube) to BTH-52(LT-115)(29mm Motor)(2pk) SEM-RA-20-52H
Laser-cut fiber rings which center a BT-20 tube inside a BTH-52(LT-115) tube
Especially useful for making an engine mount for BTH-52 rocket bodies
Thickness is 0.05"
ID= 0.736"
OD= 1.14"
Made in the USA
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