Ball Screw - 12mm (4mm lead)

$34.00 - $51.00

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Machined *
Length (of threads) *

Free shipping in Canada for orders over $140 before tax. (via Canada Post)

12mm ball screw with RM1204 ball nut (22mm diameter).

  • Length: Selected by customer
  • Accuracy Class: C7
  • Machining: Optional

Fixed end support available.

Floating end support available.

Extra Ball screw nut.

Wanhao D6 size is sourced direct from Wanhao

Buy 12mm ball screws in Canada without the surprise cost of the exchange rate!



5 out of 5 (based on 1 rating)
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Know what you're getting into

For the price these are excellent lead screws, dont have to wait to get it from China. Don't ever unscrew the nut from the shaft for any reason, you will lose balls and you will never, ever, ever, ever get them back the way they were. Trust me, videos for repacking ball nuts are for much larger bearings. The balls in these are 2.38 mm, you likely need a custom jig to get this done. Also very important: adding a lead screw can reduce your print quality. The rest of your machine needs to be as precisely aligned as your lead screw is. The acme 8mm rods have plenty of slop to make up for misalignments, lead screw tolerances are much tighter.
Posted by A sentient 3D printer, October 29, 2020