Stripped threads on Swivel Chair

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  #1  
Old 12-15-06, 04:20 PM
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Question Stripped threads on Swivel Chair

Hi,

I have 3 kitchen swivel chairs. The bolt's threads seem to have worn out because of use (Picture 2 & 3). There's grease around it so it's not as bad as it looks. I have to keep screwing the nut, and it keeps coming out after sitting in it for awhile. I placed an extra washer which somewhat helps, but not enough.

http://img.photobucket.com/albums/v248/valtronid/chair/1.jpg (seat pan)
http://img.photobucket.com/albums/v248/valtronid/chair/2.jpg
http://img.photobucket.com/albums/v248/valtronid/chair/3.jpg

Any way to get the seat from getting loose and wobbly?
 
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  #2  
Old 12-16-06, 06:26 AM
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Actually the stud doesn't look that bad. Have you tried a new nut? The problem may be worn threads on the stud AND the nut and if you replace the nut it may take up some of the wear.

You could also clamp the nut in a vice and deform it slightly before screwing it back on.

It's not possible to replace the stud?
 
  #3  
Old 12-16-06, 07:54 AM
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I didn't notice any wear on the nut like on the stud, but I will try a new one.

The stud is welded onto the chair, so I can't replace that.
 
  #4  
Old 12-19-06, 09:55 AM
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Mmmm...can't replace the stud
There's not much thread showing to work with there
Yeah, try a new nut

I think I'll move this to "fasteners" and see if anyone there has some ideas...
 
  #5  
Old 12-20-06, 04:43 AM
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You could purchase a thinner nut from a specialty bolt/washer/nut section of the hardware store, and install the flat washer then either a star or lock washer under the nut prior to tightening it down.
 
  #6  
Old 12-20-06, 04:30 PM
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Thanks! Will try that!!
 
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