SFY Nut is a high-precision transmission nut designed for SFY series screws. Made of high-quality raw materials from BAO STEEL/SHA STEEL with precision machining, it features stable transmission, high wear resistance and strong corrosion resistance, suitable for CNC machine tools, 3D printers and other industrial equipment, supporting customization and OEM services.

Introduction
SFY Nut is a specialized high-precision transmission nut developed for SFY series screws. Manufactured through micron-level precision machining, it ensures perfect fit and coaxiality with the screw. Focusing on the core needs of high-load and high-precision mechanical systems, the nut achieves excellent wear resistance and corrosion resistance through high-quality steel base material and special surface treatment technology, maintaining stable transmission accuracy during long-term high-intensity operation.
As a core component of industrial transmission, SFY Nut is widely compatible with automated equipment, CNC machine tools, precision positioning platforms, industrial robot joints and 3D printers. Produced in strict accordance with international industrial standards, each product undergoes 100% critical dimension inspection, providing reliable and efficient power transmission solutions for global industrial customers.
Specifications

| Specification Parameters | Details |
|---|---|
| Compatible Series | Full range of SFY series screws |
| Thread Precision | Class C1 (Precision Grade) |
| Load Capacity | Maximum 50kN |
| Material | High-quality alloy steel (supplied by BAO STEEL/SHA STEEL/TPCO) |
| Surface Treatment | Anti-oxidation coating + anti-rust treatment |
| Transmission Accuracy | ±0.002mm |
| Operating Temperature | -20℃ ~ 120℃ |
| Lubrication Method | Built-in micro-pore oil storage self-lubrication system |
| Preload Adjustment | Intelligent elastic preload compensation design |
Our Advantages
Extensive production experience
We are a professional manufacturer of linear bearings, we have more than 10 years of production experience.
Complete production facilities
Owning precision centerless grinding machine, straightening machine, fine polishing machine, precision lathe, milling and drilling machine, roller press and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.
High quality raw material
We mainly choose raw material from big steel factory, such as TPCO, BAO STEEL, SHA STEEL, which are best and largest raw material manufacturer in China.
Short Delivery time
Because our production equipment is more advanced, so our construction period will be reduced a lot, and the products will be better.
Safe packing
Anti-rust oil be spread on the screw and nut, each screw rod and nut is wrapped in a thin film. Finally be packed with seaworthy package or in wooden case.
Best after-sale service
Over 60% products are sold to the Southeast Asia, Middle East and Europe, and all products are trusted by domestic and foreign customers.
Our service




1. We have many experience on OEM work.
2. We can customize special hardware as customer demand.
3. Technical service for assembling.
4. Variety types for selection, prompt deliver.




5. Advanced Production equipment and production technique.
6. Competitive Price (Factory direct price) with our good service.
7. Different designs are available according to customer requests.
8. Excellent quality testing equipment, 100% inspection on critical.
Our factory

Zhejiang Baili Guide Rail Co., Ltd. - SFY Nut Technology Innovation Specialist
Zhejiang Baili Guide Rail Co., Ltd., as an innovator in the field of precision transmission, specializes in the R&D and manufacturing of high-performance nut products. We deeply understand the critical role of nuts in precision transmission systems. The SFY nut series embodies our technological breakthroughs in thread engineering and material science, committed to providing reliable and efficient power transmission solutions for global industrial equipment.

Precision Thread Innovation
Unique variable lead thread design achieves perfect balance between transmission efficiency and accuracy

Intelligent Preload Adjustment
Built-in elastic elements automatically compensate for wear, ensuring preload stability during long-term use

Multi-functional Integrated Design
Integrated dust protection and lubrication functions significantly enhance product service life
Professional Technical Advantages
The SFY nuts adopt innovative composite material structures and precision molding processes, achieving weight optimization while ensuring load capacity. The unique self-lubricating system ensures long-term stable operation in harsh environments through micro-pore oil storage technology. The intelligent monitoring system collects operational data in real-time, providing accurate life predictions and maintenance recommendations through professional analysis software, helping customers transition from planned maintenance to predictive maintenance.




Global Service Support
Relying on a complete technical support system and digital service platform, we provide comprehensive professional services for SFY nut users. From selection calculations to installation guidance, from performance optimization to maintenance support, our professional technical team delivers instant services to global customers through the cloud platform, ensuring transmission systems maintain optimal operating conditions.
FAQ
Q1: What is the warranty period of SFY Nut?
A1: We provide a 12-month quality warranty (from the date of shipment), along with long-term free technical advisory services. If on-site technical support is needed, engineers can be dispatched for door-to-door service.
Q2: What accessories will be provided after purchase?
A2: In addition to the SFY Nut main body, we will provide some wear-resistant spare parts for free to facilitate daily maintenance and replacement for customers.
Q3: Is product customization supported?
A3: Yes. We have a professional technical team that can customize exclusive SFY Nut products according to customers' requirements for size, load, working conditions, etc.
Q4: What is the product transportation method?
A4: Sea freight is the default method, which is cost-effective and stable. For urgent needs, air freight or courier can be negotiated, and the specific cost will be communicated separately.
Q5: How long is the production cycle?
A5: The production cycle for regular specifications of SFY Nut is 30-50 days; for customized products, the cycle is 45-60 days depending on complexity, and expedited service is available.
Q6: What payment terms are available?
A6: Two payment methods are supported: Telegraphic Transfer (T/T) or Letter of Credit (L/C). Specific terms can be negotiated and confirmed.
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