High Precision Ball Screw & Nut Set – SFU1605 & TBI2005

High Precision Ball Screw & Nut Set – SFU1605 / TBI2005

Upgrade your CNC machine, 3D printer, or linear motion system with this High Precision Ball Screw and Nut Set. Featuring both SFU1605 and TBI2005 specifications, this matched screw-and-nut pair delivers smooth, low-friction linear motion with exceptional positional accuracy — ideal for hobbyists, engineers, and professional machinists alike.

Why Choose This Ball Screw Set?

• High Precision Engineering: Manufactured to tight tolerances for minimal backlash and repeatable positioning — critical for CNC routers, laser engravers, and automated tables.
• Matched Screw & Nut Pair: The ball nut and screw shaft are designed to work together seamlessly, ensuring consistent load distribution and extended service life.
• SFU1605 & TBI2005 Compatible: Suitable for a wide range of DIY and industrial linear motion applications. The 16mm diameter and 5mm lead pitch (SFU1605) and 20mm diameter 5mm pitch (TBI2005) cover common build requirements.
• Low-Friction Ball Recirculation: Hardened steel ball bearings recirculate smoothly inside the nut, reducing friction and wear compared to traditional ACME or trapezoidal leadscrews.
• Durable Construction: Made from high-quality hardened steel for long-lasting performance under continuous use and varying load conditions.
• No Electrification Required: A purely mechanical component — simply mount to your existing drive system (stepper motor, servo, or hand crank).
• No High-Concern Chemicals: Contains no regulated hazardous substances, making it safe for workshop use.

Typical Applications

• CNC milling machines & routers
• 3D printers (Z-axis and X/Y axis drives)
• Laser engravers & plasma cutting tables
• Linear actuators & automated positioning tables
• DIY machining & fabrication projects
• Robotics and automation systems

Product Specifications

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Expert Reference

For guidance on mechanical design standards, tolerancing, and best practices in precision machinery, visit the NIST Manufacturing Portal — a trusted resource for engineers and machinists.

Frequently Asked Questions

Q: What is the difference between the SFU1605 and TBI2005 ball screws in this set?

A: The SFU1605 is a 16mm diameter ball screw with a 5mm lead pitch, commonly used in smaller CNC builds and 3D printer Z-axes. The TBI2005 is a heavier-duty 20mm diameter ball screw also with a 5mm lead pitch, suited for larger or higher-load linear motion applications. This set gives you both options in one purchase.

Q: Are the ball nut and screw shaft pre-matched or sold separately?

A: This listing includes a matched ball screw and nut pair for each model. The nut and shaft are designed to work together, ensuring proper ball size compatibility and minimal backlash right out of the box.

Q: What motor type is compatible with these ball screws?

A: These ball screws are mechanically agnostic — they are compatible with stepper motors, servo motors, and DC motors via appropriate couplings and end machining. The 5mm pitch per revolution also makes manual hand-wheel operation smooth and precise.

Q: Do these ball screws require lubrication?

A: Yes. For best performance and longevity, it is recommended to apply a light machine grease or way oil to the ball nut and screw shaft periodically. This reduces wear and keeps the recirculating balls running smoothly under load.