Semroc Centering Rings Fiber BT-5 to BT-20(2pk) SEM-RA-5-20
Laser-cut rings for centering a BT-5 tube inside a BT-20 tube
0.05" Thick
ID = 0.515"
OD = 0.71"
Warranty for 1 year from manufacturer defects
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Centering Rings
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