Square head nuts and bolts
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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=48252
Printed Date: 18 Aug 2025 at 4:32pm
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Topic: Square head nuts and bolts
Posted By: BrianC
Subject: Square head nuts and bolts
Date Posted: 31 Mar 2012 at 1:33pm
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I am having a hard time finding square head hardware. Are there good online sources? Fastenal wants $5.15 for a (single) 1/2-13 x 1" grade 5 , but just $0.65 for a grade 2. |
Replies:
Posted By: bauerd44
Date Posted: 31 Mar 2012 at 2:07pm
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I just found a few places that carry square head bolts in various grades. See below.
http://www.earnestmachine.com/TopProducts/SquareHeadNuts_Bolts.prod" rel="nofollow - http://www.earnestmachine.com/TopProducts/SquareHeadNuts_Bolts.prod
http://nationalbolt.thomasnet.com/viewitems/square-head-bolts/square-head-bolts-2" rel="nofollow - http://nationalbolt.thomasnet.com/viewitems/square-head-bolts/square-head-bolts-2
http://www.gatewayfasteners.com/square-head-machine-bolts-grade-c-698_829_812.html" rel="nofollow - http://www.gatewayfasteners.com/square-head-machine-bolts-grade-c-698_829_812.html
This is just a few I found. Just do a search for Grade 5 square head bolts.
Dale
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Posted By: Bill_MN
Date Posted: 31 Mar 2012 at 2:08pm
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restored a case trip plow last summer which had all square head bolts, didn't have much luck finding much of anything. the grade 8 bolts I needed were $36 apiece from fastenal, mcmaster-carr had them but wasn't much cheaper. I don't understand is it that much more work to make a square head instead of a hex head?
------------- 1951 WD #78283, 1918 Case 28x50 Thresher #76738, Case Centennial B 2x16 Plow |
Posted By: Brian G. NY
Date Posted: 31 Mar 2012 at 2:44pm
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Bill, did that Case plow originallly come with Gr 8 Bolts?
Sounds like overkill, maybe?
I would guess Gr 8 square head bolts and nuts would be just a bit rare!
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Posted By: mnoonan-NEWI
Date Posted: 31 Mar 2012 at 5:25pm
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McMaster-Carr http://www.mcmaster.com/#square-head-specialty-bolts/=gwo0ia" rel="nofollow - http://www.mcmaster.com/#square-head-specialty-bolts/=gwo0ia
------------- AC CA, Ferguson TO-20, Ford NAA, M-M BG, AC #3 Mower, SC Plow, PH Digger, AC 720's with Ark 700 loader & Brantly Backhoe, "Mini B" w/flathead Ford V8 |
Posted By: Chalmersbob
Date Posted: 31 Mar 2012 at 9:08pm
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You have to shop a round to find some items. I think grade 8 would be rare.
My neighbor needed som special bolt for a JD that he modified. Fastenal wanted $9.95 each and had to order them. He made a few phone call and found them at a Case-IH dealer for $.95 each in stock. cost hi $9.00 instead of $90.00. Bob
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Posted By: hamman01
Date Posted: 31 Mar 2012 at 9:24pm
| Here in N. Mich. we have Mid State Bolt and screw. They have a web site. You might be able to get them there. |
Posted By: Dusty MI
Date Posted: 01 Apr 2012 at 12:41pm
There is one on the west side of Lansing also. Prices are much more reasonable than Fastenal. Dusty ------------- 917 H, '48 G, '65 D-10 series III "Allis Express" |
hamman01 wrote:Posted By: Coke-in-MN
Date Posted: 01 Apr 2012 at 1:33pm
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Trouble with Fastenall is when they add on shipping for the dang things after the fact of the price , so like the hela-coils I bought for $1.00 each came to $12 for shipping , seeing as they were mailed in a flat pack for less than $2.00 ------------- Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel. |
Posted By: Don(MI)
Date Posted: 01 Apr 2012 at 2:07pm
I second this, used there bolts on the WC, can't remember the cost though. ------------- Galatians 5:22-24 "I got a pig at home in a pen and corn to feed him on, All I need is a pretty little girl to feed him when I'm gone!" |
Posted By: B26240
Date Posted: 01 Apr 2012 at 2:12pm
| Makes me feel lucky as I have a local hardware store (old fashion) that still has bins full of them although they may be only grade 2-- not sure. |
Posted By: DMiller
Date Posted: 01 Apr 2012 at 4:43pm
| I got the ones I needed through Lowes, had them in bins and galvanized to boot. For longer than they had I bought nuts and all thread, ground down the galvanize and welded then painted the weld with zinc chromate spray primer. |
Posted By: Redwood
Date Posted: 01 Apr 2012 at 7:00pm
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I just had a quote for all of the WC square head bolts. We have a fastenal store near us so there is now shipping cost the quote came to $35.00 for all of them. I know the specs are correct. They average just over one dollar a bolt all number twos. I was going to get one grade 8 bolt and it was $30.00 on its own. There does seem to be a big jump in value which seems to indicate they will make some of these but don't stock them. Grade 8 bolts aren't too cheap for large size bolt for hex head. Over all not too bad considering that in 40 years I dare you to try to find any parts for something you buy today. Some TV's they don't make replacement parts now right off the shelf. I do think its worth the cost if your restoring but if its a work tractor the hex head from the stock in our barn would be going in. Which is kinda funny since I've replaced a lot of hex head with square heads over the years because we had them. If you have a few to order ask for a quote.
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