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Old 30-12-11, 08:56 AM   #31
maviczap
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Default Re: Drill out a knackered stainless bolt?

Cool got it off without damaging the powdercoat Darren.

Amazing the strength of powder coat, I hadn't tightened the bolt that got stuck on my footrest hanger either, so I can understand why your caliper bolt was loose!

I Dremmeled out the powder coating on the swingarm linkage pivots, as I couldn't get the bearing's in after having it powder coated, so do the same with your calipers
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Old 30-12-11, 12:13 PM   #32
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Default Re: Drill out a knackered stainless bolt?

Once you take the head off a bolt it should be loose, torque on bolt is putting tensile stress on it. Once you take this stress away there is no force on threads to result in friction.

But in this place I would use standard bolts.
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Old 30-12-11, 12:18 PM   #33
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Default Re: Drill out a knackered stainless bolt?

not the case with my footrest hanger bolt stuck in powdercoat
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Old 30-12-11, 12:23 PM   #34
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Default Re: Drill out a knackered stainless bolt?

Aye corrosion or other mess inside threads creates friction
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Old 30-12-11, 12:37 PM   #35
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Default Re: Drill out a knackered stainless bolt?

Quote:
Originally Posted by yorkie_chris View Post
Once you take the head off a bolt it should be loose, torque on bolt is putting tensile stress on it. Once you take this stress away there is no force on threads to result in friction.

But in this place I would use standard bolts.
Ahh yeh I see what you mean. I was thinking the stud would still be tight in the fork leg, but it isn't in there as far as it can go.
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Old 31-12-11, 11:43 AM   #36
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Default Re: Drill out a knackered stainless bolt?

Well done must have been a relief getting this off.
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