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How do you cap the ends of tubing??

Discussion in 'The Garage' started by FWP, Mar 31, 2002.

  1. FWP

    FWP CRS Premium Member

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    What do you guys use to cap the ends? The torch method I have used doesn't work very good for me, I have a hard time cutting a good circle from plate/forums/images/icons/laugh.gif. What do the pro's use? Any ideas?
     
  2. BadDog

    BadDog SOL Staff Member Super Moderator Author

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  3. Pugsley

    Pugsley 1/2 ton status

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    On my old bumpers we used 3/16" plate - and lots of grinder discs - There's actually a few industrial steel suppliers that carry precut slugs for the purpose too.
     
  4. FWP

    FWP CRS Premium Member

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    Damn, thanks Russ. Cool site, added it to my Fav's/forums/images/icons/smile.gif -

    Hey were you able to go out to Florence with the other Yahoos?
     
  5. FWP

    FWP CRS Premium Member

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    Hey Jeff, yeah, that's been my problem, I wind up cutting a 1/2 "-larger than needed- kind of a circle and grinding it down. Eats up a lot of labor time...
     
  6. Zeus33rd

    Zeus33rd Smarter than you GMOTM Winner

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    Tack a small piece of material to the end of the tube you want to cap. Material needs to be slightly bigger than the tube, atleast 1/2' or so. Fire up the torch or plasma cutter and cut around the the tube. Just try not to cut off the tack. If you take your time and keep a steady hand, it'll come out quite nicely, very little grinding to clean it up. I used this method on the bumper I'm working on now.
     
  7. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Yep, I finally made it out. Had a great time and the K30 did better than I expected with the front open and no weight (no bed) on the locked rear. Didn't take a single bypass on Upper Ajax. Had one small hang (wasn’t even on a major obstacle /forums/images/icons/crazy.gif) but one rock placed in front of a back tire was all that was needed. Picked up some slightly concave rockers (long wheel base). Also go a little rock rash (could cover it easily with my hand) on the driver’s side of the cab right behind where the door handle would have been if Marv and I hadn’t pulled them off right before the run.
     
  8. laketex

    laketex 3/4 ton status

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    try freeze plugs. or knockout slugs.
     
  9. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    Good tips :thumb:
     
  10. redneckdude

    redneckdude 1/2 ton status

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    good post dig :thumb:lol. good tips tho
     
  11. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    If it's only for cosmetic purposes then use a concave freeze plug.
     
  12. Zeus33rd

    Zeus33rd Smarter than you GMOTM Winner

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    Or hole saw droppings of the correct size.
     
  13. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    1.5" round bar cut offs 1/8" thick or so. Should tap right into the ID of 1.75" x .120 wall tubing.

    Rene
     
  14. Jimbo*

    Jimbo* 1/2 ton status

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  15. miniwally

    miniwally 1/2 ton status Premium Member

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    I just hammer the end flat and weld up the seam that leaves.

    With thicker pipe like schedule 80 like I used for my cage I had to heat it up with a torch red hot first.
     
  16. RockinChevy

    RockinChevy 1/2 ton status GMOTM Winner

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    I'm glad someone pulled this thread out of the grave... this answers my "how to cap" question for the tube doors I'll be building :D
     

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