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11-29-2015, 12:20 PM
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#21
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Senior Member
Join Date: Dec 2012
Posts: 7,652
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Quote:
Originally Posted by nomad297
I understand this much, but what I am more interested in is at what TPI a bolt goes from being a coarse thread to a fine thread. It seems like there must be a gray area and the difference is mainly left to one's opinion.
Bruce
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I believe course/fine threads are determined by number of threads per inch for identical bolts/nuts. So, not really a gray area (specification drawings) and not necessarily one's opinion. However; for what it's worth, this is my opinion. Remember, everyone has one.
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11-29-2015, 12:38 PM
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#22
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Senior Member
Join Date: Jun 2013
Location: Baton Rouge, La.
Posts: 677
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Quote:
Originally Posted by A32Deuce
Lug nuts are course. Not a lot of threads. Fine threads would be something screwing into a soft material, Plastic, aluminum. Many lose together threads. Go to a hardware store and a clerk to show you what they look like!
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This is incorrect; Lug studs and nuts are fine thread............
__________________
Danny & Darlene
2002 Silverado 1500HD
2014 Rockwood 2703WS 'Emerald Pkg'
Days camped 2015=42 2014=48 2013=41 2012=47 2011=18
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11-29-2015, 12:54 PM
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#23
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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Quote:
Originally Posted by bubbles
I believe course/fine threads are determined by number of threads per inch for identical bolts/nuts. So, not really a gray area (specification drawings) and not necessarily one's opinion. However; for what it's worth, this is my opinion. Remember, everyone has one.
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This is pretty much what I already stated. Only, I abbreviated "Threads Per Inch." I appreciate your opinion, hovever.
Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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11-29-2015, 12:56 PM
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#24
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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Quote:
Originally Posted by dannyabear
This is incorrect; Lug studs and nuts are fine thread............
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You see? This is EXACTLY what I am talking about. One guy says it is coarse and the other guy says it is fine. Where is the defining thread count threshold that takes opinion out of the equation?
Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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11-29-2015, 04:29 PM
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#25
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Certified Curmudgeon
Join Date: Mar 2013
Location: Here
Posts: 3,999
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nomad297,
Your question was actually answered in post #14. Without entering into metric issues and specialty items, bolts are normally made with UNF and UNC threads. The width of the bolt determines how many TPI. It is all about the pitch of the thread. Here is a link to a bolt manufactures chart that takes all of the "opinion" out of the equation.
http://www.portlandbolt.com/technica...d-pitch-chart/
Armed with all that data you must now arrive at the conclusion that it is the application that is the determining factor for all of the variables a bolt can have.
This link is for how far we have strayed;
http://youtu.be/xCc-RWIp7XU
__________________
Mike Dropped
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11-29-2015, 05:40 PM
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#26
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Senior Member
Join Date: Jul 2015
Posts: 7,053
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Duckogram, thank you for that chart. It really makes me understand the difference.
Now, can you tell me which thread is on a lug stud?
Bruce
__________________
2016 Rockwood Windjammer 3029W Diamond Edition
2015 Chevy 3500HD LTZ 6.0 Crew Cab 4x4 Long Bed 4.10:1 SRW
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11-29-2015, 05:56 PM
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#27
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Senior Member
Join Date: Nov 2012
Location: Mount Laurel, New Jersey
Posts: 9,230
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Fine thread.
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11-29-2015, 08:22 PM
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#28
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Certified Curmudgeon
Join Date: Mar 2013
Location: Here
Posts: 3,999
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Quote:
Originally Posted by nomad297
Duckogram, thank you for that chart. It really makes me understand the difference.
Now, can you tell me which thread is on a lug stud?
Bruce
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You are welcome and yes, I can tell you which thread is on a lug stud but only if you can tell me the application.
__________________
Mike Dropped
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11-30-2015, 02:36 PM
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#29
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Senior Member
Join Date: Nov 2013
Location: Okeechobee, FL
Posts: 175
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I got a letter a couple of weeks ago. Took it into my local dealer who had to order parts. Looks like everything is in and they are fixing the recall this week.
__________________
Bob & Sue Rowan
Okeechobee, FL
2012 Coachmen Mirada 29DS (SOLD)
2015 Keystone Bullet Travel Trailer
2016 F-150 Lariat with Auto Trailer Backup
Dog = Morki (Yorkie-Maltese) - Zoe
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12-04-2015, 03:08 PM
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#30
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Dahagen
Join Date: Apr 2013
Location: Cascade Idaho
Posts: 562
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I called FR about the recall and told them the owner of the company I bought my motorhome from was a crook and probably will have to spend some time in jail. He said any authorized RV repair place that they deal with could do the recall.
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12-05-2015, 08:10 AM
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#31
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Member
Join Date: Sep 2015
Posts: 82
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Got mine done while it was at the factory. Have to crawl under there and see what was done.
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