C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Stainless Button Heads...

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Old Sep 18, 2004 | 10:38 PM
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Default Stainless Button Heads...

Bought some stainless steel buttonheads for my intake since I didn't care much for the regular stainless socket heads.

Major dissapointment, they won't hold up to torque!! The allen size on the button heads are so small that I can't even get the 25lbs for the runners before they strip out. I going to try leaving whats in but will see if I can find the button heads w/ torx instead of allen. Will most likely have to drill out to remove the ones that stripped.

What a major PITA!!!
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Old Sep 18, 2004 | 11:10 PM
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Next question...

Anyone know where to get SS Buttons in Torx?? I just spend 1/2 an hour searching with no real luck.
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Old Sep 20, 2004 | 03:56 PM
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ttt...

I really would like to find some stainless buttonheads in Torx...

Although my ongoing research is saying even they may not be strong enough to handle the required torque specs.
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Old Sep 20, 2004 | 04:17 PM
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Originally Posted by Trog
ttt...

I really would like to find some stainless buttonheads in Torx...

Although my ongoing research is saying even they may not be strong enough to handle the required torque specs.
Sounds like your ongoing research os on target. Most stainless fasteners are the equivilant of SAE grade 2 fasteners, unmarked hardware store junk. If your torque requirements are for SAE 5 or higher text book torque values, then run of the mill SS fasteners are margnal at best. Many will hold a grade 5 torque but are overstressed at that level.
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Old Sep 20, 2004 | 07:11 PM
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ARP probably has a web site...you might try them. Their stuff is very good quality.

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Old Sep 21, 2004 | 01:48 AM
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do you have a fastener company in your town ???
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Old Sep 21, 2004 | 05:42 AM
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We buy most of our stuff from Mcmaster-Carr.

http://www.mcmaster.com/

I searched the catalog a little, but wasn't able to find what you're looking for.

Good luck.
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