jorgensen screw thread

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Forum topic by fritzer1210 posted 05-06-2017 04:45 AM 695 views 0 times favorited 6 replies Add to Favorites Watch
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2 posts in 589 days

05-06-2017 04:45 AM

dropped and bent one of the threaded rods for my Jorgensen 8” hand screw clamp. Can anyone tell me what the specs of the threaded rod is so that I can replace? Much thanks.

6 replies so far

View Woodknack's profile


12431 posts in 2582 days

#1 posted 05-06-2017 05:00 AM

Good opportunity to expand your skillset and learn how to measure threads.

-- Rick M,

View Bobthewoodbutcher's profile


27 posts in 1311 days

#2 posted 05-06-2017 06:44 AM

If you need to replace the clamp, I recommend Highland Woodworking Miro-Moose clamps. Virtually the same as Jorgys and equivalent quality. The threaded rod may be difficult to repair or replace.

View oldnovice's profile


7333 posts in 3570 days

#3 posted 05-06-2017 07:29 AM

There are a number of web sites that can help!
If these are the wooden screw clamps, realize that the threads change direction about half way the length!

-- "I never met a board I didn't like!"

View dhazelton's profile


2794 posts in 2499 days

#4 posted 05-06-2017 12:11 PM

How bent is bent? I would try to straighten what you have by taking it apart and sandwiching it between some boards and giving it a few whacks, or putting it in a padded vise and putting a larger pipe around it and try to pull/push it back to some semblance of straightness.

View fritzer1210's profile


2 posts in 589 days

#5 posted 05-06-2017 02:45 PM

I got good and mad and decided to hammer the rod back to shape. The rod was bent so that I couldn’t unscrew it. I was surprised what a few good whacks could do. Thanks for your help guys

View Madmark2's profile


405 posts in 791 days

#6 posted 05-07-2017 04:07 AM

BTW it’s called an ‘Acme’ thread (square profile) and you’ll not find it in your local big box.


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