Join Date: Sep 2004
Location: Az. & Ca.
Bikes: Richey Everest, Supercomp, Richey custom handbuilt Road, and others.
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My advice is … It’s a Bad idea.
Especially if you plan to make it out of threaded rod.
A QR shaft should be a close smooth fit through the center of the axel. While the shear load is all on the axel ends a threaded center binder would have a spiral stress riser the whole length and it’s cross sectional area would be greatly reduced compared to a smooth shaft.
First off Ti is a stupid material to use if its to be put under a tension load.
Second it defeats the whole purpose of a QR if you need a wrench to get it off.
Third you will never get a decent quantity price on one stick so the cost per is going to be off the charts.
Fourth you just can’t make hand made nuts that are any good no matter what you make them out of because they will be too soft, nuts especially small ones must be forged, or heat treated after the threads are formed.