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I will be building the extrusion machine for my school very soon, and am having trouble tracking down an auger bit, wood drill, or extrusion screw for this project. Nothing I can find online fits the dimensions laid out by Dave Hakkens and looks like the one that he used. Has anyone anywhere found one? I need a drill that’s 26x600mm, preferably one that you’ve used or tested.
Thanks for your response!