Zero-Max ServoClass Double Disc Coupling Bore Size

Does anyone know the Bore Sizes of the Double Disc couplings that Dr D Flo uses in his video? I don’t see the part listed on the resource page.

Hi @rocket6delta :wave:

Which project are you referring to?

Referring to the servo upgrade to the PM-833 CNC conversion. I’m also doing the Arizona CNC ball screw upgrade as well but don’t know what diameter Servo Coupler to buy.

Here is a link for the servo couplers that I used for X and Y: McMaster-Carr

But please note that my conversion kit was from HeavyMetalCNC. Your ball screws may have different diameter journaled ends.

You can find almost any combination of sizes here: McMaster-Carr