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Home > Help Needed / General Tech Chat > What is the technical term for the thread on the 'front' rear subframe bolts?

turbodave16v
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SouthPark, Colorado

5th Sep, 2008 at 01:53:20pm

Two things are special on these bolts:

1) The twisted grooves that re-cut / clean the thread as it's being inserted.
2) The 'lead' on the screw that allows it to self-locate and the thread to start.

Cheers,
Dave

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


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Kean

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aka T2clubby

South Staffs

5th Sep, 2008 at 02:13:45pm

"Broken" or "snapped" usually apply *happy*

El Potter

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Malta (Ex. Scotland)

5th Sep, 2008 at 05:05:44pm

What he said. ^^^
Been there,done that.

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Alex

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Woolavington, Zummerzet

9th Sep, 2008 at 09:42:01am

Having refitted my subframe again yesterday, I have wondered the same thing.

Never seen them anywhere else - it may have been a BMC thing to aid the workers on the production lines.
I guess it would have saved cleaning out the threads after painting, and speeded up the alignment of the 'frame on a moving production line.

No idea what it's called though !

Metric is for people who can't do fractions.

joeybaby83

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Isle of Man

9th Sep, 2008 at 12:42:04pm

they are used ont he petrol tank strap too behind the n/s brake light

ive seen them before, but with allen heads, but struggling to think where?

"Turbo's make torque, and torque makes fun"

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Joe C

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Carlos Fandango

Burnham-on-Crouch, Essex

9th Sep, 2008 at 12:44:30pm

metro seat bolts?

Edited by Joe C on 9th Sep, 2008.

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

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joeybaby83

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Isle of Man

9th Sep, 2008 at 12:48:11pm

yes!

"Turbo's make torque, and torque makes fun"

"did you know you can toast potato waffles?"



hario

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9th Sep, 2008 at 07:32:18pm

arent they non-shake-loose bolts?
Home > Help Needed / General Tech Chat > What is the technical term for the thread on the 'front' rear subframe bolts?
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