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Topic Review (Newest First)
05-19-2013 03:19 PM
cchartrand Nice link my friend! Thanks for your time.
05-19-2013 03:10 PM
Black Magic Brakes
Quote:
Originally Posted by Wheel2Work View Post
My honest apology for arguing with you online. It is entirely possible that the link to the table I posted has an incomplete listing from ASTM, SAE & ISO.
There are grade 8 and grade 5 nuts and various other grades as well. A cursory search turned this up which will help and there is a more complete version that I've seen and don't feel like looking for.

Grades 5 and 8 Finished Hex Nuts

I buy and use specified grade 8 and 5 nuts on a weekly basis.
05-19-2013 03:01 PM
Wheel2Work
Quote:
Originally Posted by Patrick H View Post
FWIW, this is what a grade 8 nut looks like

I went out and checked the Gr.8 nut drawer in my garage, and they look like this.
My honest apology for arguing with you online. It is entirely possible that the link to the table I posted has an incomplete listing from ASTM, SAE & ISO.
05-19-2013 02:00 PM
Patrick H Here's a 1/2X20 I grabbed

05-19-2013 01:52 PM
Patrick H FWIW, this is what a grade 8 nut looks like



I went out and checked the Gr.8 nut drawer in my garage, and they look like this.
05-19-2013 01:45 PM
cchartrand Thanks for the help guys!
05-19-2013 01:41 PM
Wheel2Work
Quote:
Originally Posted by Patrick H View Post

Of course there is. Barnhill, for example, sells them

Barnhill Bolt

http://www.barnhillbolt.com/itBrowse...mnumber%.227-%
You're right, those are being sold as grade 8 nuts. I just posted up the link to the standard set by other folks
05-19-2013 01:31 PM
cchartrand
Quote:
Originally Posted by Patrick H View Post

Of course there is. Barnhill, for example, sells them

Barnhill Bolt

http://www.barnhillbolt.com/itBrowse...mnumber%.227-%
Thank you my friend!
05-19-2013 01:30 PM
cchartrand Nice link. Unfortunately it just leads to more questions. Clearly those nuts are graded. Back to my original question... Again, none of those gradings, correlate w/ bolt gradings. Could you help me out w/ bolt Vs. nut grading?
05-19-2013 01:26 PM
Patrick H
Quote:
Originally Posted by Wheel2Work View Post
No such animal as a Grade 8 Nut. Check here: American Fastener - ASTM, SAE, and ISO Grade Markings
Of course there is. Barnhill, for example, sells them

Barnhill Bolt

http://www.barnhillbolt.com/itBrowse...mnumber%.227-%
05-19-2013 01:19 PM
flflash The nuts to be used with Grade 8 fasteners are almost always gold colored and have a digit or number stamped on one side.

Always use these nuts and washers on Grade 8 bolts.
05-19-2013 01:05 PM
Wheel2Work No such animal as a Grade 8 Nut. Check here: http://www.americanfastener.com/tech...ings_steel.asp
05-19-2013 12:14 PM
cchartrand
Quote:
Originally Posted by ob269 View Post
Afaik, there its no markings on the nuts or washers.. I've only seen gold finish grade 8 so they was how I always identified them..
I agree. Never noticed markings on nuts, but how do you know what you're getting?? Someone has the answer........
05-19-2013 11:50 AM
ob269 Afaik, there its no markings on the nuts or washers.. I've only seen gold finish grade 8 so they was how I always identified them..
05-19-2013 11:26 AM
cchartrand
Quote:
Originally Posted by Sinister6 View Post
Typically the Grade 8 nuts will have the gold finish like the grade 8 bolts assuming they don't have a coating (zinc). The benefit of the GR8 nut in my opinion is if they are located in a place you can't get socket or box wrench. A open end or crescent could round a GR5 but the hardness of the GR8 might help prevent it. If I weld a nut to something I ALWAYS use the GR8... Others may have their own opinion...
Thanks man! I agree the Grade 8's are usually w/ the gold finish.... But not always. X2 on the rounding over. Nice point. I guess my question is how do I truly know I've got a grade 8? Markings??
05-19-2013 10:44 AM
Sinister6 Typically the Grade 8 nuts will have the gold finish like the grade 8 bolts assuming they don't have a coating (zinc). The benefit of the GR8 nut in my opinion is if they are located in a place you can't get socket or box wrench. A open end or crescent could round a GR5 but the hardness of the GR8 might help prevent it. If I weld a nut to something I ALWAYS use the GR8... Others may have their own opinion...
05-19-2013 09:56 AM
cchartrand
Grade 8 NUTS

Hi guys. I have some questions on grade 8 NUTS. Notice I said NUTS. I am well aware of how to identify a grade 8 BOLT, I'm just curious about nut identification. I'm also wondering how important a grade 8 nut would be. I'm thinking a grade 5 would be fine depending on which way the shear force is applied. Thoughts?????

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