Zhejiang Nanyuan Sewing Equipment Co., Ltd. is one of the leading manufacturers and suppliers of 2 needle 3 thread overlock sewing 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-757-FLY 2 Needle 3 Thread Overlock Sewing Machine - Professional Coverstitch Solution for Garment Manufacturers Wholesale
The NY-757-FLY is a compact 2-needle 3-thread coverstitch sewing machine engineered for professional garment hemming, decorative stitching, and edge finishing on both knit and woven fabrics. Built with a cast iron and aluminum alloy body, this 2 needle 3 thread overlock sewing machine delivers the reliability of industrial construction in an ultra-compact 260mm x 245mm x 265mm footprint weighing just 8KG - making it the most space-efficient coverstitch machine for workshops, small garment factories, and home-based fashion businesses.
Unlike standard overlock machines that only trim and wrap edges, the NY-757-FLYoperates as a true double needle coverstitch machine, producing parallel rows of stitching on the fabric face with a looping thread underneath - the professional hem finish seen on T-shirt sleeves, activewear, underwear, and children's clothing worldwide.
With adjustable stitch length (2–4mm) and a 122W motor delivering 1300 RPM, this 3 thread overlock sewing machine handles spandex, cotton knits, blended fabrics, sweatshirt fleece, and woven textiles with equal precision.
Whether you are a sportswear manufacturer upgrading hemming quality, an e-commerce clothing brand seeking consistent stitch presentation, or a tailoring shop adding professional finishing capabilities, the NY-757-FLY coverstitch machine wholesale option offers MOQ-friendly terms with full OEM customization from Zhejiang Nanyuan Sewing Equipment Co., Ltd. - a factory with 25 years of precision sewing equipment manufacturing experience.
Key Advantages of the NY-757-FLY 2 Needle 3 Thread Coverstitch Machine
True 2-Needle 3-Thread Coverstitch - Professional Hemming, Not Just Overlock
This 2 needle 3 thread overlock sewing machine produces a specialized coverstitch (ISO 406) that standard overlock machines cannot create. Two parallel needle threads on the fabric face combine with a single looper thread underneath, delivering factory-grade hems on T-shirts, activewear, and underwear. The 2-needle configuration also enables twin-needle decorative stitching on woven garments - expanding your product range without additional equipment investment.
Ultra-Compact 8KG Industrial Build - Workshop-Friendly Footprint
At just 260mm x 245mm x 265mm and 8KG net weight, the NY-757-FLY is the most space-efficient coverstitch machine in its class. The cast iron + aluminum alloy construction ensures vibration-free stitching and long-term durability comparable to machines twice its size. For distributors supplying small workshops and home-based garment businesses, this compact form factor eliminates the "no space for professional equipment" objection - directly expanding your addressable market.
Dual Fabric Compatibility - Knit AND Woven in One Machine
Most coverstitch machines are optimized exclusively for knits. The NY-757-FLY double needle coverstitch machine handles both stretch fabrics and woven textiles with equal precision, processing spandex stretch materials, pure cotton, polyester-cotton blends, sweatshirt fleece, and lightweight woven fabrics up to 3.5mm thickness. This versatility means dealers can sell one model to customers across multiple garment categories - sportswear, casual wear, children's clothing, and home textiles.
Precision-Adjustable Stitching for Quality Control
The NY-757-FLY features tool-free adjustable stitch length (2–4mm) and a 5mm presser foot height, enabling operators to dial in the exact stitch appearance for each fabric type without opening the machine housing. The 2-needle system maintains consistent thread tension across both needle paths, eliminating the uneven hemming that plagues single-needle alternatives. For brands where stitch appearance directly impacts perceived garment quality, this precision is a competitive differentiator.
Moderate-Speed 1300 RPM - Precision Over Spee
Unlike high-speed industrial overlockers (2400+ RPM) optimized for mass production, the NY-757-FLY 1300 RPM motor prioritizes stitch accuracy over raw speed. This speed band is ideal for:
(a) small-batch garment production where quality consistency matters more than output volume;
(b) garment sampling and prototyping;
(c) training centers teaching proper coverstitch technique;
(d) e-commerce sellers producing high-value, low-quantity fashion items.
The 122W motor provides sufficient torque for continuous operation without overheating.
Low-Maintenance Design for Developing Markets
The NY-757-FLY is designed with field-serviceable components accessible through a simple top-cover removal. The cast iron frame absorbs vibration naturally, reducing bolt-loosening issues common in lighter machines. Standard industry needles (no proprietary parts) keep operating costs predictable for end-users in markets where specialized spare parts supply chains are unreliable. This design philosophy directly addresses the #1 concern of developing market distributors: after-sale serviceability.
Multiple Fabric Applications Within One Machine
From lightweight spandex yoga wear to medium-weight sweatshirt fleece, this 3 thread overlock sewing machine transitions between fabric types without changing needle plates or feed dogs. Operators switch from T-shirt hemming to woven blouse decorative stitching in under 60 seconds - a flexibility advantage that enables small workshops to serve multiple garment categories without investing in separate dedicated machines for each.
Technical Specifications
|
Parameter |
Specification |
|
Model |
NY-757-FLY |
|
Machine Type |
2-Needle 3-Thread Coverstitch (Overlock) Sewing Machine |
|
Stitch Type |
ISO 406 Coverstitch / 2-Needle Parallel Lockstitch |
|
Number of Needles |
2 (standard industrial needles) |
|
Number of Threads |
3 (2 needle threads + 1 looper thread) |
|
Motor Power |
122W |
|
Rotational Speed |
1,300 RPM |
|
Machine Dimensions (L x W x H) |
260mm x 245mm x 265mm |
|
Net Weight (N.W.) |
8 KG |
|
Gross Weight (G.W.) |
9.5 KG |
|
Body Material |
Cast Iron Frame + Aluminum Alloy Housing |
|
Stitch Length Range |
2–4 mm (adjustable) |
|
Presser Foot Height |
5 mm |
|
Max Sewing Thickness |
3.5 mm (double-layer fabric) |
|
Compatible Fabric Types |
Spandex, Cotton, Knit, Poly-Cotton Blend, Sweatshirt Fleece, Woven |
|
Lubrication |
Manual (standard oil ports accessible from top cover) |
|
Needle System |
Standard industrial overlock needles (widely available) |
|
Color / Finish |
White body with anti-corrosion industrial coating |
Application Scenarios - What Can You Make with the NY-757-FLY?
T-Shirt & Casual Wear Hemming
The #1 application for 2-needle 3-thread coverstitch machines. The NY-757-FLY produces clean, stretchable double-row hems on T-shirt sleeves, bottom hems, and necklines - the professional finish consumers expect from branded casual wear.
Activewear & Sportswear
Yoga pants, compression tops, and gym shorts require hems that stretch with the garment without thread breakage. The NY-757-FLY coverstitch machine creates elastic, durable hems on spandex and performance knit fabrics.
Underwear & Lingerie Edge Finishing
Intimate apparel demands flat, soft hems against skin. The 2-needle coverstitch produces low-profile hems on cotton, modal, and microfiber underwear fabrics - no raised seams to cause irritation.
Children's Clothing Seam Reinforcement
Children's garments face aggressive washing cycles and physical activity stress. The NY-757-FLY double-row coverstitch creates reinforced hems that survive repeated machine washing without unraveling.
Home Textile & Linen Hemming
Bed sheets, pillowcases, and table linens benefit from coverstitch-finished edges that prevent fraying while maintaining a clean, professional appearance. The NY-757-FLY handles lightweight woven cotton and poly-cotton blends for home textile finishing.
Decorative Twin-Needle Stitching on Woven Garments
Beyond functional hemming, the 2-needle configuration enables decorative parallel stitching on blouses, dresses, and shirts - adding visual detail that differentiates garments in competitive fashion markets.
Why Partner with NANYUAN - Factory Strengths for Coverstitch Machine Buyers
Zhejiang Nanyuan Sewing Equipment Co., Ltd. is a specialized manufacturer of overlock and coverstitch sewing equipment with 25 years of B2B export experience. We are not a trading company - every NY-757-FLY 2 needle 3 thread overlock sewing machine is manufactured in our own facility at Fenghuangshan Village, Huzhen Town, Jinyun County, Zhejiang Province, China.
25 Years of Precision Manufacturing Experience
Since our founding, we have focused exclusively on sewing equipment manufacturing. Our engineering team continuously refines production processes, from casting and machining to assembly and testing - ensuring every NY-757-FLY delivered meets consistent quality standards. We serve distributors and garment factories across Vietnam, Indonesia, India, Pakistan, Bangladesh, Tanzania, Kenya, Uganda, Nigeria, Ghana, and South Africa.
6 Utility Model Patents + 3 Management System Certifications
Our R&D investment is validated by 6 China utility model patents covering fabric feeding mechanisms, machine head structures, lubrication systems, thread trimming mechanisms, presser foot devices, and drive adjustment systems. We maintain ISO-compliant quality management, environmental management, and occupational health & safety management systems - audited and certified by accredited third-party bodies.
Direct Factory Pricing - No Middlemen Markup
As a direct manufacturer, our **coverstitch machine wholesale** pricing eliminates the 15–30% margin typically added by trading companies. We welcome factory visits and third-party inspection before shipment. Our transparent pricing structure means distributors can maintain healthy retail margins while offering competitive end-user prices.
Flexible OEM & Customization Capabilities
We offer full OEM customization for orders of 100+ units: custom color schemes, brand logo printing/silk-screening, custom packaging design, and voltage configuration per destination country. Our engineering team can also develop minor product modifications to meet specific market requirements - from needle guard additions to specialized feed dog configurations.
FAQ
Q: What is the difference between the NY-757-FLY and a standard overlock machine?
A: A standard overlock machine (serger) trims fabric edges and wraps them with thread - primarily for seam finishing and preventing fraying. The NY-757-FLY 2 needle 3 thread overlock sewing machine is a coverstitch machine: it creates parallel rows of stitching on the fabric face with a looping thread underneath - primarily for professional hemming and decorative topstitching. While both are "overlock" category machines, their applications are completely different. Garment factories typically need BOTH types: one overlock machine for seam finishing + one NY-757-FLY for hemming.
Q：How does the NY-757-FLY compare to the GN1-6D electric overlock?
A：They serve different functions within the overlock category: the GN1-6D (2400 RPM) is a high-speed 3/4-thread overlocker optimized for seam finishing and edge binding at production scale. The NY-757-FLY (1300 RPM) is a 2-needle 3-thread coverstitch machine optimized for garment hemming and decorative stitching. Speed is not the comparison point - they are complementary machines in a complete garment production line.
Q: Can the NY-757-FLY sew through thick fabrics like denim?
A: The maximum sewing thickness is 3.5mm (double-layer fabric). It handles lightweight denim and chambray effectively, but heavy denim (12oz+) or multi-layer seams may exceed the machine's capacity. For heavy materials, we recommend our heavy-duty industrial sewing machines. The NY-757-FLY is optimized for knit, stretch, and lightweight woven fabrics.
Q: Does the 2-needle 3-thread coverstitch machine require special training to operate?
A: Threading a 2-needle coverstitch machine takes about 30 minutes to learn - slightly more complex than a single-needle machine but far simpler than a 5-thread industrial overlocker. We provide a multilingual threading diagram and video tutorial with every unit. Most operators with basic sewing machine experience become proficient within one working day.
Q: What is the MOQ for the NY-757-FLY and can I order a sample first?
A: The standard MOQ is 50 units, but we accept sample orders of 1–5 units for quality evaluation. We encourage sampling before bulk purchase - test the coverstitch quality on your specific fabric types, evaluate the build quality, and confirm the machine meets your customers' expectations before committing to a container order.
Q: Can you customize the voltage for my country's electrical standard?
A:Yes. We configure the 122W motor for 110V (North America, Japan, parts of South America), 220V (Europe, Asia, Africa), or 230V (UK, Australia, Middle East) based on your destination market. Please specify voltage requirements when placing your order. Plug types can also be customized - US, EU, UK, AU, and universal options available.
Q: What spare parts should I stock as a distributor?
A: We recommend stocking:
(1) industrial overlock needles (size 80/12 and 90/14) - the most frequently replaced item;
(2) looper thread guides;
(3) presser foot assembly;
(4) feed dog set;
(5) motor carbon brushes.
All parts are standard industrial components, available from our factory or any sewing machine parts supplier. A recommended starter spare parts kit is available with initial orders.
Q:What type of warranty and after-sales support do you provide?
A: Every NY-757-FLY coverstitch machine includes a 12-month warranty on the machine body and 6-month warranty on the motor. During the warranty period, we provide replacement parts free of charge (customer covers shipping). Technical support is available via WhatsApp with a typical 2-hour response time during business hours (GMT+8). We also provide video-call troubleshooting for complex issues.
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