CNC Machine Ball Screw Set – X, Y & Z-Axis Replacement Parts

Upgrade or restore your CNC machining center with this precision-engineered ball screw set covering all three axes — X, Y, and Z. Compatible with part references T21, NS-K, TH-K, W2505C, and A97L-0203-0383, this set is designed for professional-grade CNC equipment requiring exact motion control and minimal backlash for high-accuracy machining operations.

Whether you're performing a full spindle overhaul or replacing worn drive components, this ball screw set provides the dimensional accuracy and load capacity your machine demands. Ideal for maintenance engineers, machine tool shops, and industrial equipment technicians.

Key Features

Full-Axis Coverage: Includes ball screws for X, Y, and Z axes — everything you need for a complete drive system replacement
Precision Ground: Engineered for tight tolerances, ensuring smooth, repeatable linear motion with minimal play
Compatible References: T21 / NS-K / TH-K / W2505C / A97L-0203-0383
Heavy-Duty Construction: Built to handle demanding industrial cutting loads and continuous duty cycles
Drop-In Fit: Designed as a direct replacement for compatible CNC machining centers — reduces downtime during servicing
Durable Materials: High-grade alloy steel construction for long service life under industrial conditions

Specifications

Axes Covered	X, Y, Z
Part References	T21, NS-K, TH-K, W2505C, A97L-0203-0383
Type	Ball Screw Assembly
Application	CNC Machining Centers
Country of Origin	Made in Mainland China

Why Ball Screw Quality Matters

In CNC machining, ball screw condition directly impacts positional accuracy and surface finish quality. Worn or damaged ball screws introduce backlash that degrades part tolerances and increases scrap rates. Replacing with a quality set restores your machine's original specification performance. For more on machine tool safety and industrial equipment standards, visit OSHA's Machine Guarding Resources.

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Frequently Asked Questions

Q: What CNC machines are these ball screws compatible with?

A: These ball screws are referenced as T21, NS-K, TH-K, W2505C, and A97L-0203-0383. They are designed for compatible CNC machining centers that use these specific part numbers. We recommend verifying your machine's OEM part reference against these numbers before ordering to ensure a correct fit.

Q: Does this set include all three axes (X, Y, and Z)?

A: Yes, this listing covers the X, Y, and Z-axis ball screws as a set, providing a comprehensive solution for a full drive system service or replacement on compatible CNC equipment.

Q: How do I know if my ball screws need replacing?

A: Common indicators include increased backlash in axis movement, reduced positional repeatability, unusual noise during axis travel, or visible wear on the screw or nut. A qualified machine tool technician can perform a backlash test to confirm whether replacement is needed.

Q: Are these ball screws ready to install out of the box?

A: These are finished replacement components designed as direct-fit parts for compatible machines. Installation should be performed by a qualified CNC service technician to ensure proper alignment, preload, and lubrication per the machine manufacturer's specifications.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.