Somewhere along the way the squared head 1/2 x 1.75" NF bolts got replaced with hex head bolts. Here is my question. I can buy a Sq. hd. zinc bolt 1/2 x 2 NC Grade 5. As the original was NF for torque reasons - would it be acceptable to use this substitute bolt in NC because it's Grade 5?
I can get them from McMaster Carr for $3.03 each.
I'm advised IH genuine at $14 and JD's are $5-6 each.
Ken
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Rim Bolts Question NC Grade 5 vs NF?
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- PVF1799
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Rim Bolts Question NC Grade 5 vs NF?
Ken
Pleasant View Farm - Est. 1799
1930 Farmall Restoration Project
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Re: Rim Bolts Question NC Grade 5 vs NF?
I sell the course thread, but I use the fine thread.
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Re: Rim Bolts Question NC Grade 5 vs NF?
Ken, I just got some from JD. They came in a 5 pack and were $1.60 @ ($2.00 with nut).
Bob
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Re: Rim Bolts Question NC Grade 5 vs NF?
Go green on this one Ken
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Re: Rim Bolts Question NC Grade 5 vs NF?
I get mine from the Deere dealer. I might have the part number in the shop. If you want I'll pick some up for you.
- PVF1799
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197x IH 990 Haybine
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Re: Rim Bolts Question NC Grade 5 vs NF?
Cecil wrote:I get mine from the Deere dealer. I might have the part number in the shop. If you want I'll pick some up for you.
Thanks Cecil et al, for the advice. Cecil, it would be awesome if you could pick-up 8 with nuts.
Amazing group of people on this site.
Ken
Pleasant View Farm - Est. 1799
1930 Farmall Restoration Project
My Restoration Project - FCUB '48 - Rex
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Re: Rim Bolts Question NC Grade 5 vs NF?
Cecil wrote:I get mine from the Deere dealer. I might have the part number in the shop. If you want I'll pick some up for you.
Cecil, please go ahead and post that part # if you have it.
Thanks.
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Roy Edenfield
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Re: Rim Bolts Question NC Grade 5 vs NF?
John Deere part number is 08h4465.
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Re: Rim Bolts Question NC Grade 5 vs NF?
Barnyard is that the number I posted the last time?
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Re: Rim Bolts Question NC Grade 5 vs NF?
Barnyard has the number. I have a couple of packs in the Cubhouse.
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Re: Rim Bolts Question NC Grade 5 vs NF?
Cecil wrote:Barnyard is that the number I posted the last time?
I don't know if you had posted it, but I found this number about a year ago. It may have been from one of your posts at one time.
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Re: Rim Bolts Question NC Grade 5 vs NF?
On a technical basis, the NF at a given torque clamps tighter than does a NC at the same torque. In theory, and probably in practice most of the time, some higher torque value applied to the NC will result in the same clamping force. I suspect that the original specification was chosen carefully.
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Re: Rim Bolts Question NC Grade 5 vs NF?
Bus Driver wrote:On a technical basis, the NF at a given torque clamps tighter than does a NC at the same torque. In theory, and probably in practice most of the time, some higher torque value applied to the NC will result in the same clamping force. I suspect that the original specification was chosen carefully.
Yes and it was for fine threads
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