Harbor Freight vise repair (thread question) - JeepForum.com

 
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post #1 of 3 Old 03-27-2011, 09:52 PM Thread Starter
Kettles
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Harbor Freight vise repair (thread question)

Ok, so I had a Harbor freight vise that I used on my bench, and I was not very nice to it . Anyway, the threads on the sleeve to clamp the vise stripped out a while back, and the vise had pretty much been designated boat-anchor for a while, being kicked around the floor of my garage.

Today I decided to take it apart and see what kind of damage is done, and see if I can fix it. The threaded rod looks fine, but its not a normal thread type and I thought someone on here could help me figure out what it is so I could find a nut or something to make a working vise again.

here is the rod


The rod is about .57" or 37/64th in outer diameter, and the threads are square, approximately .07" wide (making about 7 threads per inch or so).
Any help would be appriciated, I figured this is the kind of thing McMaster-Carr has, but I don't know what I am looking for. I have heard of Acme threaded rods, is that what this is? The size is odd too.


_=====o000o
//__l_l_,\____\,____
l_--\_l__l_/--|lllll|
_.(o)_)__.(o)_)--o-)_)
"Dee", a Patriot Blue 2001 Cherokee Sport 4.0L High-Output Pictures Build Thread
The Rocket Sheep
"Live Free Or Die; Death Is Not The Worst of Evils." -General John Stark
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Originally Posted by speedbucket View Post
perfect depends on how far away you are when you look at it:D
Quote:
Originally Posted by Millermagic View Post
It's a 4.0 ... as long as there's something in the crank case that isn't coolant I'm sure it will still run forever.
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post #2 of 3 Old 03-27-2011, 11:20 PM
JLC08JK
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Yes it is what is known as Acme Thread.
As for the size and a source for a nut
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post #3 of 3 Old 03-28-2011, 01:47 PM Thread Starter
Kettles
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I am baffled by the size of it. 37/64ths is not close enough to 1/2" or 5/8" (the closest sizes McMaster-Carr has) for it to be that is it? Metric is 12 and 16mm, but this rod is 14.5mm.

Acme rod/nuts aren't terribly cheap, or I would just order a 5/8 x 8 nut and see if it worked. Damn you HF for your odd size screw!

_=====o000o
//__l_l_,\____\,____
l_--\_l__l_/--|lllll|
_.(o)_)__.(o)_)--o-)_)
"Dee", a Patriot Blue 2001 Cherokee Sport 4.0L High-Output Pictures Build Thread
The Rocket Sheep
"Live Free Or Die; Death Is Not The Worst of Evils." -General John Stark
Quote:
Originally Posted by speedbucket View Post
perfect depends on how far away you are when you look at it:D
Quote:
Originally Posted by Millermagic View Post
It's a 4.0 ... as long as there's something in the crank case that isn't coolant I'm sure it will still run forever.
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