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> Stud remover, Yes, I know you can buy this from Snap On
worn
post Sep 10 2013, 09:56 AM
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I wanted to pull the studs from a transmission case so I wouldn't poke my eye out with the darn things and while it wears the magnesium it also shows when there isn't any really left in the threads. there - the excuses, version 1.

So I got 1 bolt and 1 nut and set the lathe for stun, er taper cut.

The nut and the bolt are tapered so there is a countersink in the large nut and a fly-head screw look to the bolt. BTW the nut is a loose fit over the bolt - they aren't matched.
Attached Image

While I was at it I drilled straight into the top of the bolt to allow for thread tapping.

Off the lathe, the hole in the top of the bolt was tapped to fit the stud - this was 8 mm, but I am gunning for 911 head studs eventually. I used a slotting wheel on the angle grinder to make an X cut down the length. Then I added a nut that does fit the bolt. Whoops, didn't go down far enough so another loose nut was added as a spacer. This is what it looked like in action.

Attached Image

Unfortunately I pinned a nut to allow for wrenching so it doesn't come apart and the pix aren't so great, but here is the stud.
Attached Image
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bulitt
post Sep 10 2013, 10:07 AM
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You know you can buy that from Snap-On ? (IMG:style_emoticons/default/confused24.gif)

(IMG:style_emoticons/default/lol-2.gif)
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SLITS
post Sep 10 2013, 10:33 AM
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You made a collet style stud remover. Only about $400 from SnapOn (unit + thread)
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worn
post Sep 10 2013, 10:52 AM
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QUOTE(bulitt @ Sep 10 2013, 08:07 AM) *

You know you can buy that from Snap-On ? (IMG:style_emoticons/default/confused24.gif)

(IMG:style_emoticons/default/lol-2.gif)


OMG, I could have bought it!!? Oh no!

Well I was surprised that I could actually complete it in about an hour - real clock time. I generally underestimate the time my projects take by a factor of 5.
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stugray
post Sep 10 2013, 10:53 AM
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Nice!
One way I have done it and worked great (suggested by another 914world member):

Take a nut for the stud you want to extract.
using a hacksaw, cut through one side of the nut along the bolt axis.
Leave the other side of the nut intact.
Thread the "sliced nut' over the stud & clamp with vise grips.
Since the nut is sliced down one side, it will compress over the threads.
If you want the tool to be permanent, weld the nut onto the vise grips, then cut it all the way through.
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sixnotfour
post Sep 10 2013, 02:45 PM
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Two nuts tighten agianst each other works good too.

I do have the old snap-on stud and dowel remover, way better than the one they sell now IMHO.
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Nine_14
post Sep 10 2013, 02:53 PM
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QUOTE(sixnotfour @ Sep 10 2013, 10:45 PM) *


Two nuts tighten agianst each other works good too.




(IMG:style_emoticons/default/agree.gif)

Why doing it easily when it also works complicated (IMG:style_emoticons/default/dry.gif)
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worn
post Sep 10 2013, 03:01 PM
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QUOTE(Nine_14 @ Sep 10 2013, 12:53 PM) *

QUOTE(sixnotfour @ Sep 10 2013, 10:45 PM) *


Two nuts tighten agianst each other works good too.




(IMG:style_emoticons/default/agree.gif)

Why doing it easily when it also works complicated (IMG:style_emoticons/default/dry.gif)

I do that. The stud I showed was going to be distorted by the simple method. I have done that too, where the stud is more than willing to ruin two perfectly nice matching nuts and itself as well, just in order to stay put. And then the vice grips and the torch and the pain and the slow weeping in the corner. Wait, I think I went too far. (IMG:style_emoticons/default/w00t.gif)
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sixnotfour
post Sep 10 2013, 03:41 PM
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Like you siad it only took an hour to make, not bad (IMG:style_emoticons/default/beerchug.gif)
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pcar916
post Sep 10 2013, 05:15 PM
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Looks good! Didja' heat-treat the collet?
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Dr Evil
post Sep 10 2013, 05:34 PM
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Send me your transmission!
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Group buy? (IMG:style_emoticons/default/confused24.gif)
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worn
post Sep 10 2013, 07:38 PM
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QUOTE(pcar916 @ Sep 10 2013, 03:15 PM) *

Looks good! Didja' heat-treat the collet?

No, but I remember learning about case nite at Bellingham, where I took only shop and my son got an ME, so either that or grade 8 , or both might be good. Also the angle. I was stunned that it worked first try. I can think of many easy improvements.
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