55mm Coach bolt and 60mm M8 bolt. Small chunck of mini hacksaw blade.
Slots cut into blot heads allow the blade to be used as reinforcement
Soldering on a cooker hotplate - try 1. soldered at an angle.
Use a nut on each end to align the pieces properly.
A couple of spring tweezers help the joint to form correctly by helping align the surfaces.
Completed double-ended bolt assembly
coach bolt Installed in the BfB extruder
Rebuilt extruder
Top plate on roller gude broke, so replaced with the bottom plate.
Completed assembly
top bearing - 2 M8 washers - nut - BfB gear with cutout upwards - half-nut - then locked with full nut (not shown)
Completed rebuilt extruder with replacement heater nozzle
close-up of hacked replacement nozzle.
Coach bolt extruder working!
Coach bolt extruder mounted to RepRap
Note the terrible wonkiness and shocking mounting - but it works for now.