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end plate stud thread pitch size

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

end plate stud thread pitch size

Postby maddogmadox » Sun Mar 22, 2015 10:54 pm

hi all
does anybody know the exact thread size for the lambretta end plate studs,
I know they are M7 studs but does anybody know what the exact thread pitch is i need to clean a couple of stud holes out with a tap but i am not sure on the exact thread pitch.
maddogmadox
 
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Re: end plate stud thread pitch size

Postby Warkton Tornado No.1 » Mon Mar 23, 2015 12:22 am

Hi

The end plate studs are 1 mm pitch (M7 x 1.0) & the original studs were strong (or tough), as they had rolled threads rather than cut threads.

They are exactly the same pitch as 'normal' M6 threads but 1 mm bigger in diameter & correspondingly stronger with their bigger cross section.

I hope that helps.

Mark
Warkton Tornado No.1
 
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