Differential Mounting Bolts Wanted

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Differential Mounting Bolts Wanted

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Differential Mounting Bolts Wanted

Postby m75 » June 19th, 2018, 6:42 pm

Looking to replace the rusted Grade 8 bolts and flange nuts for both front and rear differential. Two different lengths for the front, and I could not decipher the -20P listing for length on the rear, but they are all three the same length. Although I tried to clean up the current ones, most are pitted by rust, and being differential mounting bolts, I don't want something weaker than what should be there.
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Re: Differential Mounting Bolts Wanted

Postby Surveyor » June 19th, 2018, 7:38 pm

Look away rickf!

Are these the ones you are looking for? (Note - Same pic shows up for all sizes.)

https://www.lowes.com/pd/Hillman-7-16-i ... /999995568
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Re: Differential Mounting Bolts Wanted

Postby m75 » June 19th, 2018, 8:10 pm

I don't think those are grade 8, and they lack the fine thread. (7/16x20 UNF). And besides, there is no availability....... not in store stock, (local or other area locations) and not available to have shipped, per Lowes.
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Re: Differential Mounting Bolts Wanted

Postby Surveyor » June 19th, 2018, 8:43 pm

Specs tab says Grade 8, fine thread, and available for delivery to me at 0.59 cents a piece. ??? Again, they are just using a generic picture...

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Re: Differential Mounting Bolts Wanted

Postby Vzike » June 20th, 2018, 6:51 pm

34P has part numbers. Look them up and call Red River.
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Re: Differential Mounting Bolts Wanted

Postby m75 » June 21st, 2018, 11:31 pm

Nahhh, Red River couldn't help. Not one of the parts, but I'm finding that to be a common thread about these particular items. I did locate a supplier of fasteners close to the Hollywood area that supplies the production companies with a lot of their needs. Fresh, grade 8, yellow zinc, enough cap screws, nuts and washers to do both differentials for ten dollars American!!

Shame of it is, there is a manufacturer of MS fasteners, all types, about three miles from my house. No retail sales, and the possible closest supplier is 45 miles away. C'mon guys, just let me wander the warehouse aisles while you're enjoying my pizza and beer....
Jim Peterson
SGM, 31B Retired 2015
1961 M151 -Sold
1974 M151A2, Working It!
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Re: Differential Mounting Bolts Wanted

Postby rickf » June 22nd, 2018, 8:18 am

McMaster-Carr
Go to the flanged head bolts and then just follow the tree to the 7/16-20 grade 8

https://www.mcmaster.com/#standard-hex- ... s/=1de841g
1964 M151A1
1984 M1008
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Re: Differential Mounting Bolts Wanted

Postby rickf » June 22nd, 2018, 8:53 am

I just noticed that the one I referred you to they only have the one bolt in a flange head 7/16 grade 8 fine thread and it is only 1 inch long. You are probably going to have to go with standard head and washer with lock-tite. I may have those bolts used since I have buckets of military bolts.

Here are the standard head bolts, it is odd that although they carry the military grade extreme grade they do not have them in 7/16.

https://www.mcmaster.com/#standard-hex- ... s/=1de8lfv

Here are the mil spec washers but I would just go to Tractor supply and pick up grade eight or grade five washers and some blue Lock-tite.

https://www.mcmaster.com/#standard-washers/=1de8ncd
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1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
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