Brass Machined 3" Thread End Cap Unknown Purpose

Discussion in 'Metalware' started by stim, Oct 19, 2021.

  1. stim

    stim New Member

    Howdy
    Classic found item weighs 12lbs.. Thought it might be part of a press or such.
    Someone suggested it could be for a flagpole[?].
    Any Ideas? 8+
    Best
    phpN4WO8oAM.jpg
     
    stim, Oct 19, 2021
    #1
  2. Fid

    Fid Well-Known Member

    looks like a trapezoidal thread. could be a stop on a car lift or part of a big lathe.
     
    Fid, Oct 19, 2021
    #2
  3. stim

    stim New Member

    Thank you Fid. All suggestions useful.
     
    stim, Oct 20, 2021
    #3
  4. David Kiehl

    David Kiehl Well-Known Member

    In the states, we call them an Acme thread. Usually associated with something very heavy. They are also used when something needs to move quickly with few revolutions. It has a large pitch which is the distance this part would move with 1 revolution or spin
     
    David Kiehl, Oct 20, 2021
    #4
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