Zhejiang Nanyuan Sewing Equipment Co., Ltd. is one of the leading manufacturers and suppliers of industrial 2 thread overlock machine in China, featured by quality products and low price. Welcome to buy bulk automatic sewing machines for sale here and get quotation from our factory. Customized orders are welcome.
NY-EXT-250-40 Industrial 2 thread overlock machine
Introduce the Industrial 2 thread overlock machine - the ultimate sewing companion for professionals. This Industrial 2 thread overlock machine has excellent performance and high precision, making it the perfect complement to any sewing room. As a trusted brand in the industry, Nanyuan has been producing high-quality sewing machines for many years. This Industrial 2 thread overlock machine is no exception, its durable structure can even withstand the most difficult sewing projects
Whether you are handling fine fabrics or heavy materials, this machine provides excellent results every time. This sewing machine has a 2-thread overlock function, allowing you to easily create precise and professional seams. From trimming edges to adding decorative details, the possibilities are infinite. The adjustable pin length and differential feed of this machine ensure that your pins are completely balanced and even. The difference between this sewing machine and other sewing machines on the market is its user-friendly design.


Even if you are a beginner, you can easily get started operating various controls and settings of this machine. And its sewing speed can reach 7000 stitches per minute, allowing you to complete the project in a short amount of time. In addition to its impressive performance, this sewing machine also has a high cost performance ratio and is worth buying. You don't have to spend all your money to buy a high-quality sewing machine that can last for many years. When you buy it, you are not just buying a sewing machine, but also investing in a multifunctional and reliable tool that can help you realize your creative ideas.
Engineered for industrial endurance
Handles high-strength materials: woven belts, thick canvas, multiple leather layers. Reinforced frame for zero vibration under load.
⚙️Heavy-duty sewing capability
Prevents fabric fraying, creates clean and elastic seams. Excellent for edges that require both strength and flexibility.
🧵Precision 2‑thread overlock
Digital parameter adjustment: stitch length, differential feed ratio, speed. Fault codes for fast troubleshooting.
🎛️Intelligent CNC panel
Up to 7,000 stitches/min + industrial motor drastically reduces cycle time for mass production lines.
⚡High-speed production
High-hardness cast iron body, reinforced moving parts - low maintenance even after 10+ years of heavy shifts.
🛡️Durable structural design
Adjustable ratio prevents puckering or stretching on tricky fabrics like knits, mesh, or lightweight synthetics.
🔄Differential feed system
Core advantages
Heavy duty sewing capability
specially designed for thick and heavy-duty sewing scenarios, it can efficiently handle high-strength materials such as woven belts and thick fabrics, with strong sewing stability, meeting industrial grade heavy-duty processing needs.
01
Precision sewing technology
adopting advanced overlock technology, the sewing thread is uniform and firm, which can effectively prevent the edge of the fabric from slipping and improve the durability of the product.
02
Intelligent CNC system
equipped with a digital control panel, it can accurately adjust sewing parameters such as needle spacing and thread tension, with convenient operation and high precision in sewing tasks of multiple specifications.
03
Efficient production performance
Driven by industrial grade motors, the sewing speed is fast, which can significantly improve production efficiency and is suitable for large-scale industrial production scenarios.
04
Durable structural design
The body is made of high hardness materials, and key components have been reinforced to last for a long time with low maintenance costs.
05
Technical Specifications
|
Item |
Specification |
|
Product Model |
NY-EXT-250-40 |
|
Machine Type |
Industrial 2-Thread Overlock Machine |
|
Max. Sewing Speed |
7,000 Stitches Per Minute (SPM) |
|
Stitch Type |
2-Thread Chainstitch (Overlock) |
|
Feeding System |
Differential Feed (Adjustable Ratio) |
|
Control System |
Electronic Digital Control Panel |
|
Presser Foot Lift |
Manual or Knee Lift (Optional) |
|
Compatible Needle |
Industrial Standard DPx5 Series |
|
Suitable Fabrics |
Medium to Ultra-Heavy Fabrics (e.g., Canvas, Leather, Webbing, Tarpaulin) |
|
Primary Applications |
Edge Overlocking, Trimming, Seaming, Reinforcement |
FAQ
Q: What type of sewing equipment does NY-EXT-250-40 belong to?
A: It is an industrial grade overlock sewing machine designed specifically for thick and heavy-duty sewing scenarios, suitable for edge overlock processing of high-strength materials such as webbing and thick fabrics.
Q:What are the core application areas of this machine?
A:Mainly used in industries with high requirements for sewing strength and durability, such as luggage, outdoor equipment, automotive interiors, and industrial webbing.
Q: What intelligent functions are equipped?
A: Equipped with a digital control panel, it can accurately adjust parameters such as needle spacing, thread tension, sewing speed, etc., and also has intelligent fault prompt function for quick troubleshooting.
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