Open Barbell 7ft Olympic
thingiverse
###Order the following: * (QTY 1) A 7ft long cold drawn steel bar with a diameter of 1-1/8in sourced from a local metal supplier. * (QTY 1) A 3ft low-carbon steel round tube with a wall thickness of 0.12in and an outer diameter of 2in, McMaster P/N 7767T54. * (QTY 4) Clamping shaft collars, McMaster P/N 6435K19. ###Directions: 1. Cut the 3ft long 2" tube into sections that are each 16" long. 2. Clean the metal thoroughly with a degreaser and then sand it with 220 grit sandpaper to remove any sharp edges. 3. 3D print bushings (QTY 2) inside, (QTY 2) outside using PETG or ABS material. Use 30% infill and a layer height of 0.2mm for optimal results. 4. Assemble the parts carefully and use a 3/16 allen wrench to tighten the shaft collars securely. 5. Wrap sports tape around the bar to increase grip and prevent slipping. Follow us on Instagram @cavemanweights
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