Miniature ball screw is mainly used in the field of medical equipment, precision instruments, automation equipment, aerospace, machinery industry, automotive industry.
With the reduction of equipment volume and the demand for lightweight, the market demand for small and miniature ball screws is also increasing, and the market for miniature ball screws is showing a steady growth trend.
Product name | Miniature ball screw |
Model | SFK |
Dia | 4,6,8,10,12,14,16,20,25mm |
Lead | 1,2,2.5,4mm |
Accuracy | C7(0.05/300mm),C5(0.018/300mm),C3(0.008/300mm) |
Nut style | Single or double |
Precompression | 3%,8%or as needed |
Bear | The maximum capacity is 370 tons |
Material | GCR15,440C,S55C |
Material handling | quench |
Hardness | HRC58-62 |
End processing | according to customer's drawing |
Delivery time | 15-30days |
We can also customize some special shape nut non-standard parts, if you need to contact us




The main products of the factory are ball screw, lead screw, linear guide rail and other accessories, accumulated 20 years of rich production experience, and technology, equipment, scale, brand advantages continue to expand.
Now the factory covers an area of more than 15000 square meters, more than 50 employees, the products have passed the CE certification.
Enterprise production line has 4 meters of high-precision German Reshi rotary milling machine, several precision internal and external thread grinding machines, 6 meters lathes, 8 machining centers, 4 meters CNC guideway grinding machine, 4 meters CNC surface grinding machine, many CNC high-precision slider grinding machine, automatic lead screw running-in instrument, coordinate measuring
instrument, projector and other advanced testing equipment.
1. Why choose Suntai?
With more than 20 years of production experience, it is China's high-quality ball screw manufacturing base.
2. Do you have a minimum order quantity requirement?
No, just one. More is better
3. What are your main products?
Ball screw, linear guide, ball spline and parts processing
4. How to customize (OEM/ODM)?
Send drawings or custom requirements to us
5. When can I get the quotation?
We usually make a quotation within one hour of receiving your inquiry. If it is a complex process, it may take a little longer, but our quotations usually do not exceed 12 hours
6. Can I have a sample?
Yes, but you need to pay for the sample.
7. What are your terms of payment?
If the total price is less than $1000, 100% before production; If the total value exceeds $1000, 50% of the total value before production and 50% of the total value before delivery (specific percentages can be negotiated).