Semroc Plywood Block or Bulkhead for Heavy Tube 3.1"(2 ring set) SEM-PB-3.1
Used as lightweight bulkheads for gluing on the end of a T-3.1 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: 2.93" and 2.85"
Made in the USA
Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm Plywood Blocks are used as lightweight bulkheads for gluing on the end of a JT-80 coupler, inside and outside</
Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm 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 for ST-9 tube(2 ring set) SEM-PB-9P Used as lightweight bulkheads for gluing on the end of a HTC-13 coupler, one ring fits inside the coupler and one on top to...
Semroc Plywood Block or Bulkhead for BTH-7.5 tube, 0.25" Plywood(2 ring set) SEM-PB-7.5H Plywood Blocks are used as bulkheads for gluing on the end of a CPL-7.5 coupler, inside and outside</
Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm Plywood Blocks are use…
Semroc Plywood Block or Bulkhead for 38mm tube(2 ring set) SEM-PB-38mm Plywood Blocks are used…
Semroc Plywood Bulkhead or Block for ST-9 tube(2 ring set) SEM-PB-9P Used as lightweight bulkh…
Semroc Plywood Block or Bulkhead for BTH-7.5 tube, 0.25" Plywood(2 ring set) SEM-PB-7.5H Plywo…
