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<blockquote data-quote="ACID_RAIN28" data-source="post: 50613" data-attributes="member: 437">If it is a hardfaced bolt it will lose it hardness as it does the heat cycle, I am not an expert at this but it is what I have discovered, like if I weld a nut in place or use a bolt as a stud it will lose it's hard face and it will take almost nothing to screww it up.&nbsp; Example if you weld a nut in place then use and unwelded bolt the nut has lost its hardness and shrunk, where as the bolt is now at a different rockwell and size chewing at the nut.&nbsp; For the problem at hand, perhaps 1.&nbsp; Call super trapp and ask what they think.&nbsp; more than likley they will have a solution bolt or will tell you that they are cheap and replace them after every extraction.2.&nbsp; Hardened stainless or mabey a grade 6 bolt, I believe they are completely heat treated and not just case hardened.&nbsp; Grade 6 is aircraft right, will flex before it will break?3.&nbsp; up the rockwell go to an F911 bolt 4.&nbsp; CRYO the bolts, couldn't cost that much, and you could get you brake pads done at the same time.Don't know where you get aircraft bolts but I have seen the hardened stainless bolts at ACE before.Any one else?&quot;Everything you do is triggered by an emotion of either desire or fear.&quot;&lt;P ID=&quot;edit&quot;&gt;&lt;FONT SIZE=-1&gt;Edited by ACID_RAIN28 on 04/20/03 10:25 PM (server time).&lt;/FONT&gt;&lt;/P&gt;</blockquote>

[QUOTE="ACID_RAIN28, post: 50613, member: 437"] If it is a hardfaced bolt it will lose it hardness as it does the heat cycle, I am not an expert at this but it is what I have discovered, like if I weld a nut in place or use a bolt as a stud it will lose it's hard face and it will take almost nothing to screww it up. Example if you weld a nut in place then use and unwelded bolt the nut has lost its hardness and shrunk, where as the bolt is now at a different rockwell and size chewing at the nut. For the problem at hand, perhaps 1. Call super trapp and ask what they think. more than likley they will have a solution bolt or will tell you that they are cheap and replace them after every extraction. 2. Hardened stainless or mabey a grade 6 bolt, I believe they are completely heat treated and not just case hardened. Grade 6 is aircraft right, will flex before it will break? 3. up the rockwell go to an F911 bolt 4. CRYO the bolts, couldn't cost that much, and you could get you brake pads done at the same time. Don't know where you get aircraft bolts but I have seen the hardened stainless bolts at ACE before. Any one else? "Everything you do is triggered by an emotion of either desire or fear." [i]Edited by ACID_RAIN28 on 04/20/03 10:25 PM (server time).[/i] [/QUOTE]

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