- Parts for Rockets
- Centering Rings
- Semroc Plywood Bulkhead Block for ST-18 tube(2 ring set) SEM-CR-18P *
Semroc Plywood Bulkhead Block for ST-18 tube(2 ring set) SEM-CR-18P
Used as lightweight bulkheads for gluing on the end of a HTC-18 coupler, one ring fits inside the coupler and one on top to match the ID of the tube.
Center hole for a Screw eye
Thickness assembled: 0.25"
Diameter: " and "