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Taps

Old 12-11-2019, 03:14 AM
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stevens4x
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My wife needs some Christmas list ideas for me and one thing i want is to be able to retap stripped threads in my cars or tap up to the next size but I don’t have any idea how to choose.

I can pick up 2 random screws that use the same 2mm hex and are the same length but the threads are different.
How do I know which is which?

If I have a M3x12mm screw..I know 12mm is the length and I think m3 is a 3.0 hex, right? Is there some secret code that states what style the threads are?

Can you help me pick the sizes that would be appropriate from a 1/16 eRevo to a Xmaxx? Do I need metric and standard? Do you have a link for a set that would cover the sizes I need?

They're for plastic only so hopefully the cheap stuff would work. Thank you!
Old 12-12-2019, 11:23 AM
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i8tweety
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The M3 refers to the outer nominal diameter of the bolt being 3mm.
2 bolts of the same diameter can have different threads (coarse vs fine thread) just as the can in US standard bolts.

Last edited by i8tweety; 12-12-2019 at 11:25 AM.

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