Semroc Plywood Bulkhead or Block for BT-5 tube(2 ring set)(same RA-5P) SEM-PB-5P
Used as lightweight bulkheads for gluing on the end of a HTC-5 and JT-5 coupler, one ring fits inside the coupler and one on top to match the ID of the tube.
Hole for Screw Eye #10(SE-10)
Thickness assembled: 0.25"
Diameter: 0.541" and 0.515"
Made in the USA
Semroc Plywood Bulkhead or Block BT-60(ST-16) tube(2 ring set) SEM-PB-60 Used as lightweight bulkheads for gluing on the end of a JT-60C coupler, one ring fits inside the coupler and one on top...
Semroc Plywood Block or Bulkhead for BT-55 tube(2 ring set)(same RA-55P) SEM-PB-55 Used as lightweight bulkheads for gluing on the end of a JT-55C coupler, one ring fits inside the coupler and...
Semroc Plywood Bulkhead or Block for BT-50 tube(2 ring set) SEM-PB-50 Used as lightweight bulkheads for gluing on the end of a JT-50 coupler, one ring fits inside the coupler and one on top to match...
Semroc Plywood Bulkhead or Block for BT-80 tube(2 ring set) SEM-PB-80 Plywood Blocks are used as lightweight bulkheads for gluing on the end of a JT-80 coupler, inside and outside
Semroc Plywood Bulkhead or Block BT-60(ST-16) tube(2 ring set) SEM-PB-60 Used as lightweight b…
Semroc Plywood Block or Bulkhead for BT-55 tube(2 ring set)(same RA-55P) SEM-PB-55 Used as lig…
Semroc Plywood Bulkhead or Block for BT-50 tube(2 ring set) SEM-PB-50 Used as lightweight bulkheads …
Semroc Plywood Bulkhead or Block for BT-80 tube(2 ring set) SEM-PB-80 Plywood Blocks are used as lig…
