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External tooth lock washers?
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Tracy Martin TN View Drop Down
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Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10769 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tracy Martin TN Quote  Post ReplyReply Direct Link To This Post Topic: External tooth lock washers?
    Posted: 19 Mar 2012 at 9:01am
Where can you buy grade 8 external tooth lock washers? Like the ones used on rod bolts. Thanks Tracy Martin
No greater gift than healthy grandkids!
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Gatz in NE View Drop Down
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Points: 1053 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gatz in NE Quote  Post ReplyReply Direct Link To This Post Posted: 19 Mar 2012 at 11:05am
Tracy,
 
From what I can find, the hardness would probably be around Rc40 (min) for washers made of 1050-1065 Steel
 
A few places ...
 
McMaster Carr
 
Aspen Fasteners
 
... these might be harder, might have to contact them to find out
 
Coburn-Meyers
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Tracy Martin TN View Drop Down
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Joined: 11 Sep 2009
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Points: 10769 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tracy Martin TN Quote  Post ReplyReply Direct Link To This Post Posted: 19 Mar 2012 at 3:29pm
No luck with any body yet. I guess those external washers were made for only a few engines. It amazes me the lack of help with the fastener people. Tracy Martin
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wf32 View Drop Down
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Tracy
Google shake proof washers
several venders carry them
Phil
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Brian Jasper co. Ia View Drop Down
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Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 19 Mar 2012 at 4:52pm

Thread locker (Loc Tite) won't work?

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Creek Jenkins View Drop Down
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Points: 812 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Creek Jenkins Quote  Post ReplyReply Direct Link To This Post Posted: 19 Mar 2012 at 5:20pm
For our high vibration applications (underground mining, crushers, etc.) we use Nordloc lock washers.  They seem to work pretty well, we used to hear from customers about bolts working loose, but since we switched to Nordlocs it has pretty much disappeared.
I believe they are fairly hard, but don't know if they have a grade 8.  They have a zinc plated or SS option.  I think usually Fastenal carries them, at least around here.
cheers,
Creek
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