Tuesday, August 2, 2011

Bolts for sprung hub


Made 10 bolts for sprung hub MkII. The holes in the hub were getting bigger than original. I decided to make the bolts with bigger O.D. to press into the hub.  Due to personal reason, the thread is UNF1/4-28PTI. I cut the thread by my lathe. Wondering how many times I cut the threads. I think cutting threads makes my eye go bad.


Reamed the holes oversize to
fix up the inside wall of the holes before fitting the bolts.
I think the bolts work good.


Back side.
After surface treatment, done.

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