3/8" Anti-Backlash Nut (5 turns per inch)

I just ordered a 1/2" lead screw and bearings, etc. But I don't see any 1/2" shim washers for those bearings. If you have any, please toss 8 of them in the shipment and I'll gladly reimburse you.

We will provide shim washers as a part of machine assemblies, but when purchasing lead screw and bearings, the shim washers must be purchased as well. Please give us a call and we can send them out.

Does the anti-backlash nut require any maintenance or lubrication?

If the anti-backlash nut exhibits a great amount of resistance, I typically add 3-in-1 oil to the lead screw and turn the lead screw so that the anti-backlash nut travels from end to end a few times. A drill comes in handy for this operation.