How to identify a thread, ACME vs TR

[Michael Gilligan]

On Michael Gilligan Said:

On David George 1 Said:

Just checked the Z axis leadscrew and it is 5/8″ diamiter […]

That’s uncannily strange … exactly 2mm bigger than moonman measured his

MichaelG.

Moonman measured his X axis as that is what failed, hence David’s offer of his Z axis screw being of no use.

[Michael GilliganParticipant @michaelgilligan61133]

Doh !

MichaelG.

[JasonBModerator @jasonb]

I was just looking and TR14x2 taps are available both left and right hand delivered for less than the cost of a piece of 14mm silver steel excluding delivery. So unless you can’t wait a couple of weeks it is hardly worth making your own.

The only advantage of screwcutting it would be that you could probably get a closer fit right from the off then any antibacklash slots & screws have less work to do.

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