Product Introduction
Looking for a reliable supplier of China SFU series ball screws? We offer SFU series ball screw wholesale options directly from our factory in China. Our screws are precision-engineered, fully tested, and ready for bulk shipment.
DLY SFU Ball Screw is a high-performance linear motion component that efficiently converts rotational motion into linear motion. Featuring low friction, high rigidity, and stable positioning, it is widely used in CNC machine tools, automation lines, robotic devices, packaging machinery, and precision equipment.
With cold-rolled & ground production options, our SFU series supports standard and custom solutions to fit your speed, load, precision, and installation space requirements.
SFU Ball Screw Specifications
| Item | Specification |
| Product Name | SFU Ball Screw |
| Models | SFU1204, SFU1604,SFU1605, SFU1610, SFU2005, SFU2010, SFU2505,SFU2510,SFU3205,SFU3206,SFU3210,SFU4005,SFU4010,SFU5005,SFU5010,SFU5020,SFU6310,SFU6320,SFU8010,SFU8020,SFU10020 |
| Screw Material | S55C |
| Nut Material | 20CrMo |
| Surface Hardness | HRC 58–62 |
| Precision Grade | C3, C5, C7, C10 |
| Process | Cold Rolled, Ground |
| Nut Type | Single Nut |
| Ball Circulation | Internal Recirculation |
| Certification | ISO 9001, ISO 14001, ISO 45001 |
| Service | OEM, ODM, Custom Length & End Machining |
| Warranty | 12 Months |
Request a quote for SFU series ball screw wholesale today!
SFU Ball Screw Dimensions

SFU Ball Screw Model Comparison
| Model | Diameter (mm) | Lead (mm) | Load Capacity | Speed | Applications |
|---|---|---|---|---|---|
|
sfu1204 ball screw |
12 | 4 | Low Load | High Speed | Small precision equipment |
|
sfu1605 ball screw |
16 | 5 | Medium Load | Medium Speed | Medium-sized CNC equipment |
|
sfu1610 ball screw |
16 | 10 | Medium Load | High Speed |
|
|
sfu 2005 ball screw |
20 | 5 | High Load | Medium Speed | Heavy-duty CNC equipment |
|
sfu 2010 ball screw |
20 | 10 | High Load |
|
|
|
sfu 2505 ball screw |
25 | 5 | High Load | Medium Speed | Large CNC machines, industrial automation |
Key Features
High Transmission Efficiency
Rolling contact mechanism significantly reduces friction and required driving torque, enabling smooth and efficient operation.
Stable Positioning Accuracy
Optimized ball nut structure and preload options minimize axial clearance, ensuring stable positioning and repeatability, especially in C3/C5 grades.
High Rigidity
Engineered with strong axial stiffness, the ball screw delivers minimal elastic deformation under load, maintaining performance in heavy-duty systems.
Long-Lasting Durability
Made from S55C and 20CrMo alloy steel with hardness up to HRC 58–62, providing excellent resistance to wear and long service life.
Easy Integration
Flanged nut and compact structure simplify installation in space-constrained equipment.
Low Maintenance
Anti-corrosion coating and sealing design ensures low failure rate, reducing maintenance requirements in corrosive and dusty environments.
Customization
DLY is a leading SFU series ball screw manufacturer in China and offer custom SFU Ball Screw solutions to meet your specific needs:
- Material Options: Choose from S55C,20CrMo4
- Size Customization: Custom diameters and lead sizes to fit your application.
- Precision Levels: Available in C3, C5, C7, C10 precision grades to suit different accuracy requirements.
- Special Coatings: Anti-corrosion and wear-resistant coatings are available for challenging environments.
Why Choose Us
Advanced Manufacturing Capability
Equipped with a 30,000+ m² production facility and modern machinery such as CNC grinding machines, cold rolling equipment, and precision measuring systems, DLY ensures efficient and precision manufacturing.
Strong R&D Expertise
With over 20 years of industry experience and a dedicated engineering team, DLY holds 60+ patents, enabling optimized product design and reliable technical solutions for diverse industrial applications.
Flexible OEM / ODM Customization
DLY offers comprehensive OEM and ODM services, covering:
- Product design and development
- Custom specifications and configurations
- Prototyping and mass production
Solutions are tailored to meet specific application requirements across automation, robotics, and machine tools.
Strict Quality Control & Certifications
Quality is ensured through internationally recognized management systems:
- ISO 9001
- ISO 14001
- ISO 45001
Each product undergoes rigorous inspection using advanced testing equipment, ensuring precision, durability, and stable performance before delivery.
Comprehensive Service & Support
With global project experience across industries such as machine tools, robotics, and automation, DLY ensures reliable support for every customer, including:
- Pre-sales technical consultation and solution design
- Installation and debugging guidance
- Responsive after-sales service and maintenance
Our Service Processes
Our free service hotline:Phone:+ 86-18957070963
Pre-sales Consultancy
1
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Confirmation of order
2
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Production
3
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Multi-Channel Shipping
4
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Confirmation of receipt
5
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After-sale Services
6
about DLY
we are here for you
Zhejiang DLY Automation Manufacturing Co., Ltd.
FAQ
Q: What materials are SFU Ball Screws made of?
A: Our SFU ball screws are made of high-quality S55C steel, and the nuts are made of 20CrMo, ensuring durability and precise performance.
Q: What diameters and lead options are available for SFU Ball Screws?
A: We offer diameters of 12, 16, 20, 25, 32, 40, 50, 63, 80, and 100 mm, with lead options of 4, 5, 10, and 20 mm, all in millimeters, to meet a wide range of application needs.
Q: What precision grades are available?
A: Our SFU ball screws are available in C5, C7, and C10 precision grades to suit different accuracy requirements.
Q: Are you a manufacturer of SFU ball screws?
A: Yes, we are a trusted SFU series ball screw factory in China, specializing in high-precision ball screws for over 20 years.
Q: Do you offer SFU series ball screws for sale in bulk?
A: Yes, we provide SFU series ball screws for sale directly from our factory, suitable for both small and large volume orders.
Q: What makes your SFU ball screws professional?
A: Our products are crafted with strict quality control, precision machining, and rigorous testing, ensuring professional SFU ball screw performance suitable for industrial applications.
Q: What are the advantages of your factory?
A: We have over 20 years of experience selling top-selling SFU series ball screws, offer factory price SFU series ball screws, and maintain rich inventory to meet both small and bulk orders efficiently.
Q: What is the minimum order quantity (MOQ) for SFU ball screws?
A: Our standard MOQ is 1 piece, but for wholesale or bulk orders, we offer flexible pricing based on quantity.
Q: What payment methods do you accept?
A: We accept T/T (bank transfer), PayPal, L/C, and other secure payment methods suitable for international B2B transactions.
Q: How long is the lead time for SFU ball screws?
A: Standard delivery time is 7–15 working days depending on quantity and customization. For bulk orders, we provide an accurate timeline in advance.
Q: Can you ship internationally?
A: Yes, we ship worldwide via DHL, FedEx, UPS, or sea freight, depending on order size and customer preference.
Q: Do you offer bulk discounts?
A: Yes, we provide competitive wholesale prices for SFU ball screws based on order quantity. Please contact us for a detailed quotation.
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