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The tongue jack on our popup camper got bent pretty badly. We have to replace it. The hole that we put it into on the tongue is now 1 3/4 ". The new tongue jack is 1 7/8" in diameter.

How can we make the 1 3/4" hole bigger?

A hole saw won't work - since we can't drill a pilot hole to stabilize it while we use the hole saw.

Is there some way to grind it bigger?

2007-07-02 15:37:08 · 9 answers · asked by Maureen 7 in Cars & Transportation Maintenance & Repairs

9 answers

they make reamer bits

2007-07-02 15:43:53 · answer #1 · answered by ClassicMustang 7 · 0 2

May try cutting a 1 7/8" hole in a piece of steel, and use that as a template to keep the hole saw steady. Could use a die-grinder with a de-burring bit to ream it out. Or a torch. The most accurate way is the hole saw with the template clamped to the tongue. And good luck!

2007-07-02 15:44:41 · answer #2 · answered by Anonymous · 1 0

Use a die grinder with a metal burr. You are talking 1/16th of an inch per side. You also mentioned that it is the jack than is bent, not the tongue, right?. Compromising the tongue strength? If the manufacturer left only that much safety margin in the strength of the tongue we are all in trouble.

2007-07-03 02:55:21 · answer #3 · answered by Hondu 7 · 0 0

What if you just called the 1 3/4" hole a pilot hole??

Generally, I don't like the idea in general though. The structure around the 1 3/4" hole was designed to support a hole of that size. I think you should consider trading the tounge jack in for one of the correct size.

2007-07-02 15:47:37 · answer #4 · answered by Daniel T 4 · 0 2

You might try to get a reducer from a
1 7/8 to a 1 3/4. It may be safer to have the right part installed

2007-07-02 15:46:18 · answer #5 · answered by Anonymous · 0 2

Hi,
I strongly suggest that you consult with a truck or trailer repair
mechanic first. If the tongue is bent,very likely,it will need to be straightened and reinforced or replaced. Am I only trying to spend your money? No.I am trying to prevent a very foreseeable disaster.

2007-07-02 15:59:12 · answer #6 · answered by pennswoodsed 2 · 2 1

you can get a remmer or round grinder and take it out a little at a time. the parts stores offer grinding wheels that you can place inside the drill and use. if it is still at a shop and they have torch have them cut a little bigger then finish it off with a grinder this will be the easiest way to do this.

2007-07-02 15:45:19 · answer #7 · answered by Timmy T 3 · 0 2

I would try a step drill bit, if you can find one that big.
mike
http://www.lenoxsaw.com/varibit.htm

2007-07-02 16:20:41 · answer #8 · answered by michael p 2 · 0 0

You don't wanna know!

2007-07-02 15:45:10 · answer #9 · answered by Chris L 1 · 0 2

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