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threading gone wrong


michalsen

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Turned down some steel to make my first screw. Well, technically second. The first was so terrible I tossed it. Anyway, turned it down, then looked to thread it with one of those tombstone dies. The screw broke. Now I'm supposed to use my jewelers saw to cut out the steel, but that access line is so thin.

Anyone with any hints?

Thank you!

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Were you trying to thread blue steel? If so leave the broken bit in because that part of your screwplate is done now, and a jeweler's saw blade will barely bite it anyway.

Otherwise, you just need a thin enough blade to fit in there. There are really fine blades available.

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  • 3 weeks later...

hand turning stock in an 8mm lathe into a die I held with my hand.

I either turned with too much force, or was not perfectly perpendicular...or the combination of the two.

I would love a die I can hold in the tail stock, but need to make a die first. It's a slow battle. 

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