1" Tube

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  • $40 for 6 feet, cold rolled. They also have hot rolled with undefined tolerances. https://www.mcmaster.com/89955K639/
    • Compare to 8 mm rod, which has 0.08 sq in cross sectional area. The above tube has 0.2 sq in cross sectional area, so it should be much stronger than 8 mm rod.
  • There is also 1" OD, 1/8" wall tube at $3/ft - [1]