Daruma++ bolts Version 2 (on South Bend 9A)

These custom fasteners will be used on Mark Vande Kamp's Goodrich. They secure a fender stay and allow a rack to be installed without disturbing the fender setup. The fender stay is secured by a tiny M5 set screw which is run down a hole through the center of the bolt. The rack attachs with a M5x10mm bolt which goes into the same hole.

This photo essay shows how I made one of these fasteners.

A wider shot showing how we use the die on the lathe. It is mounted in a die holder, which is then mounted in the tailstock. I manually advance the tailstock as the lathe turns the fastener.

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A wider shot showing how we use the die on the lathe. It is mounted in a die holder, which is then mounted in the tailstock. I manually advance the tailstock as the lathe turns the fastener.

bicycle eyelet bolt lathe machine shop rack