Hi all, I've finalised the design for a KTM motorcycle swingarm bearing extraction and installation tool. I need to know which is better to use as a drawbar, fine pitch or coarse pitch bolt. I will be using a grade 10.9 M16 bolt. The most important factor is resistance to thread stripping. My initial reseach on the web suggests that a coarse thread has the greater resistance to stripping. I realise that a fine pitch would offer more force for a given ammount of turn, but the resistance to thread stripping is more important in my design. Your thoughts and comments would be greatly appreciated.
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