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Old 06-02-22, 04:02 PM   #2591
Bibio
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Default Re: What have you tinkered with today?

if its titanium bolts please use some form of coating on the threads as they tend to weld themselves onto anything.
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Old 06-02-22, 04:08 PM   #2592
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Default Re: What have you tinkered with today?

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Originally Posted by Bibio View Post
if its titanium bolts please use some form of coating on the threads as they tend to weld themselves onto anything.

Stainless steel threads also like 'galling' ( welding themselves into the hole )

https://www.essentracomponents.com/e...ss-steel-bolts


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Old 06-02-22, 05:41 PM   #2593
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Default Re: What have you tinkered with today?

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Originally Posted by SV650rules View Post
Stainless steel threads also like 'galling' ( welding themselves into the hole )

https://www.essentracomponents.com/e...ss-steel-bolts


.
Interesting. So would copper grease be a good lubricant to use ?
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Old 06-02-22, 07:38 PM   #2594
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Default Re: What have you tinkered with today?

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if its titanium bolts please use some form of coating on the threads as they tend to weld themselves onto anything.
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Old 06-02-22, 08:18 PM   #2595
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Interesting. So would copper grease be a good lubricant to use ?

Molybdenum disulphide ( Moly ) is a good one, so molycote, molygrease etc, moly is a fantastic high strength lubricant. I add 2% Liqui-moly to engine oil in bikes with wet clutches ( which is OK according to Liqui-moly instructions ). Copper grease more an anti-corrosion than a lubricant.

https://www.westfieldfasteners.co.uk...d_Galling.html
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Old 06-02-22, 11:08 PM   #2596
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Default Re: What have you tinkered with today?

do not use a lubricant or copper grease. they are disc bolts so need a thread lock designed for de mounting bolts. Loctite 2259681 Lock ‘n’ Seal is a good one. i personally use a loctite blue stick.
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Old 07-02-22, 08:53 AM   #2597
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Default Re: What have you tinkered with today?

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do not use a lubricant or copper grease. they are disc bolts so need a thread lock designed for de mounting bolts. Loctite 2259681 Lock ‘n’ Seal is a good one. i personally use a loctite blue stick.

I use a loctite 248 9G blue stick, easy to apply and lasts ages in toolbox and will not spill... One thing is that stainless bolts are not proper hi-tensile because putting carbon into stainless steel is a no-no...



https://www.boat-renovation.com/high...s-steel-bolts/
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Old 08-02-22, 10:01 PM   #2598
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Default Re: What have you tinkered with today?

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Molybdenum disulphide ( Moly ) is a good one, so molycote, molygrease etc, moly is a fantastic high strength lubricant. I add 2% Liqui-moly to engine oil in bikes with wet clutches ( which is OK according to Liqui-moly instructions ). Copper grease more an anti-corrosion than a lubricant.

https://www.westfieldfasteners.co.uk...d_Galling.html
So, apart from bolts that require threadlock like Loctite ,wouldn't copper grease be suitable for stainless steel bolts if it stops corrosion and would therefore prevent the bolts 'welding' ? I am becoming confused
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Old 09-02-22, 11:04 AM   #2599
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Default Re: What have you tinkered with today?

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So, apart from bolts that require threadlock like Loctite ,wouldn't copper grease be suitable for stainless steel bolts if it stops corrosion and would therefore prevent the bolts 'welding' ? I am becoming confused
under normal circumstances yes but we are talking disc bolts and any for of lube is a risk of them coming loose. also people tend to use waaaayyyy tooooo much copper grease on things.
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Old 09-02-22, 08:39 PM   #2600
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under normal circumstances yes but we are talking disc bolts and any for of lube is a risk of them coming loose. also people tend to use waaaayyyy tooooo much copper grease on things.
I might have strayed from the original post but I was referring to stainless steel bolts generally not brake disc bolts specifically.
But it would seem the only advantage of stainless steel bolts is the exposed heads should not rust (unless it is a s/s bolt and s/s nut situation ) I know from experience we used to isolate stainless steel fixings from mild steel, as in a framework, by placing neoprene washers between the s/s washers on the fixings and the mild steel to avoid corrosion (dissimilar metals ! )
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