Ross CNC specializes in Hitachi Seiki ball screw repair. Hitachi Seiki manufactures a very good ball screw, the main problem is they’re not readily available for purchase. They need to be custom ordered and delivery is 3 to 4 weeks out. When your machine can’t be down for a month, get your existing ball screw repaired by Ross CNC.


What will it cost to repair my Hitachi Seiki ball screw? Normal savings are 50 to 60% from buying new. Total costs depends on the amount of work needed. An easy repair would be slightly out of backlash compensation. A more detailed repair would be noise in one direction and occasionally tripping the servo. Call us with the size of your ball screw and we’ll get you a price over the phone.


How long will it take to repair my Hitachi Seiki ball screw? Delivery time depends on the amount of work and parts needed. Our normal delivery time is just 3 to 5 days. Need it faster? We offer 24/48 hour emergency delivery. We deliver on your schedule.

  • Need a quote for ball screw repair?
    We'll need the approximate length & diameter of your ball screw along with details on the problems you're having.

Need a price for ball screw repair service? Call or email us with thefollowinginformation:Approximate overall length & diameter

Do you have a single or double nut?

What problems are you having with your ball screw? Backlash? Noisy in one direction? Be specific.When do you want your machine back in production?Call us with the information and we’ll get you an immediate price & delivery time right over the phone.

 Why choose Ross CNC to repair your ball screw?

The best warranty in the industry. All work is guaranteed up to 24 months covering all parts & labor.Save 50% or more from buying a brand new ball screw. Call with your sizes for an estimate over the phone.Normal delivery time is just 3 to 5 days. Expedite 24/48 hour delivery is also available.High precision grinding up to .0002 per foot lead accuracy.Zero backlash for the highest productivity and repeatability.New ball screws manufactured in 14 days or less. We also manufacture new lead screws and nuts.

Weekend ball screw repair service! If we receive your ball screw by Thursday or Friday, we can perform all necessary repairs, adjustments and testing to get it shipped and in your shop by Monday. This service needs to be set up in advance, just tell the technician that this is a weekend repair. This is a 25% expedite fee additional to our normal charges.