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#1
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How to choose correct tool to re-thread stripped bolt?
Trying to assist a friend with the repair of a piece of exercise equipment.
Someone stripped a threaded part. See the post sticking straight up from the cylindrical part in the picture? http://i27.photobucket.com/albums/c1...g?t=1253112064 Exactly what's the name of the re-tapping tool I need to look for, and how to do choose the right size? I can determine the original thread size by removing the non-stripped one from the other side of the machine. What's next? Are these tools designated in the same size as the stripped bolts or nuts? |
#2
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How to choose correct tool to re-thread stripped bolt?
On Sep 16, 7:45*am, "JoeSpareBedroom"
wrote: Trying to assist a friend with the repair of a piece of exercise equipment. |
#3
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How to choose correct tool to re-thread stripped bolt?
"TomYoung" wrote in message
... On Sep 16, 7:45 am, "JoeSpareBedroom" wrote: Trying to assist a friend with the repair of a piece of exercise equipment. Someone stripped a threaded part. See the post sticking straight up from the cylindrical part in the picture? http://i27.photobucket.com/albums/c1...votTube.jpg?t=... Exactly what's the name of the re-tapping tool I need to look for, and how to do choose the right size? I can determine the original thread size by removing the non-stripped one from the other side of the machine. What's next? Are these tools designated in the same size as the stripped bolts or nuts? You want a "die." Take the non-stripped one with you to the hardware store and the "helpful hardware man" can measure the piece and help you select the right sized die. And yes, the tools are designated in the same size as the stripped bolt or nut, e.g., 7/16 x 20. A die can clean up the threading on a stripped bolt but it can't add material back. Tom Young ================= Thanks, Tom. |
#4
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How to choose correct tool to re-thread stripped bolt?
On Sep 16, 7:45*am, "JoeSpareBedroom"
wrote: Trying to assist a friend with the repair of a piece of exercise equipment. |
#5
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How to choose correct tool to re-thread stripped bolt?
On Sep 16, 10:45*am, "JoeSpareBedroom"
wrote: Trying to assist a friend with the repair of a piece of exercise equipment. |
#6
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How to choose correct tool to re-thread stripped bolt?
On Sep 16, 1:14*pm, "John Grabowski" wrote:
"JoeSpareBedroom" wrote in message ... Trying to assist a friend with the repair of a piece of exercise equipment. Someone stripped a threaded part. See the post sticking straight up from the cylindrical part in the picture? http://i27.photobucket.com/albums/c1...votTube.jpg?t=.... Exactly what's the name of the re-tapping tool I need to look for, and how to do choose the right size? I can determine the original thread size by removing the non-stripped one from the other side of the machine. What's next? Are these tools designated in the same size as the stripped bolts or nuts? *A die would work, but I have something that has worked on bolts and rods if only a few threads are partially damaged. *It is called a thread restoring file. *I think that I got it from McMaster-Carr years ago. There are thread gauges that you can insert into the grooves to determine the thread count. You want what is called a thread restorer They are available at Sears, auto parts stores, etc. It also obviously depends on how mangled the thread are. Unless they are real bad, it should work. |
#7
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How to choose correct tool to re-thread stripped bolt?
On Sep 16, 10:45*am, "JoeSpareBedroom"
wrote: Trying to assist a friend with the repair of a piece of exercise equipment. |
#8
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How to choose correct tool to re-thread stripped bolt?
On Sep 16, 7:45*am, "JoeSpareBedroom"
wrote: Trying to assist a friend with the repair of a piece of exercise equipment. |
#9
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How to choose correct tool to re-thread stripped bolt?
Van Chocstraw wrote:
JoeSpareBedroom wrote: Trying to assist a friend with the repair of a piece of exercise equipment. Someone stripped a threaded part. See the post sticking straight up from the cylindrical part in the picture? http://i27.photobucket.com/albums/c1...g?t=1253112064 Exactly what's the name of the re-tapping tool I need to look for, and how to do choose the right size? I can determine the original thread size by removing the non-stripped one from the other side of the machine. What's next? Are these tools designated in the same size as the stripped bolts or nuts? I have often just used just a nut to fix threads. Put the bolt in a vice and start the nut. Use plenty of oil and a big wrench and thread the nut on, screw it all the way down and back several times. Be careful not to cross thread it or you will wreak the threads worse. Cut some slots across the threads of the nut and it will work better. It does for me. TDD |
#10
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How to choose correct tool to re-thread stripped bolt?
"mike" wrote in message
... On Sep 16, 7:45 am, "JoeSpareBedroom" wrote: Trying to assist a friend with the repair of a piece of exercise equipment. Someone stripped a threaded part. See the post sticking straight up from the cylindrical part in the picture? http://i27.photobucket.com/albums/c1...votTube.jpg?t=... Exactly what's the name of the re-tapping tool I need to look for, and how to do choose the right size? I can determine the original thread size by removing the non-stripped one from the other side of the machine. What's next? Are these tools designated in the same size as the stripped bolts or nuts? Call the manufacturer and find out how much a new part would cost. They might even give it to you for free. If the threads were truly stripped, they'll just be more likely to fail again even if you "clean them up". You might be able to make them look better, but don't think that you're really fixing or restoring anything. =================== The manufacturer sucks - Horizon Fitness. Five voice mail messages and two e-mails & still no response. The part is no longer available at one site which sells parts for exercise equipment. But that's OK. I mentioned this to my excellent auto mechanic, who said "Why buy the die or some other tool? Bring the part when you come for your oil change next week." These guys love the occasional non-automotive challenge. Try that with Jiffy-Lube. :-) |
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