Lockstitch Sewing Machine
**Product Specifications:**
- **Model No.:** BY-4420
- **Needle Number:** Double Needles
- **Stitch Type:** Lock Stitch
- **Product Name:** Flat Bed Sewing Machine
- **Voltage:** AC 110/220V
- **Needle:** DP x 17
- **Weight:** 25kgs
- **Application:** Clothing, Shoes, Luggage, Handbags, Sofas, Leather, and more
- **After-Sales Service Provided:** Yes
- **OEM Available:** Yes
- **Trademark:** SOKIEI
- **Transport Package:** Standard Wooden Case
- **Specification:** 670*335*650 mm
- **Origin:** Dongguan, China
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**Overview of the Lockstitch Sewing Machine**
This **Flat Bed Lockstitch Sewing Machine (Model BY-4420)** is a high-performance industrial machine designed for heavy-duty applications. It features **double needles**, making it ideal for sewing thick materials such as leather, fabric, and synthetic textiles. The machine is equipped with a **compound feed mechanism**, ensuring smooth and even stitching across various layers.
It is widely used in industries that require precision and durability, including **shoes, handbags, luggage, sofas, car seats, air bags, tents, and parachutes**. The machine's **lock stitch design** ensures strong and stable seams, while its **high-speed capability (up to 2000 stitches per minute)** increases productivity.
The **CE-certified** machine is built with a **heavy-duty structure**, offering long-lasting performance and minimal maintenance. It also includes a **synchronized cog belt plunger pump lubrication system**, which enhances efficiency and reduces wear and tear.
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**Key Features:**
- **Heavy Duty Construction**
- **Double Needle System**
- **Lock Stitch Technology**
- **High Speed (2000 s.p.m.)**
- **Compound Feed Mechanism**
- **CE Certified**
- **Large Vertical Rotating Hooks**
- **Energy Efficient Design**
- **Easy to Operate**
- **Durable and Reliable**
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**Applications:**
This sewing machine is suitable for a wide range of products, including:
- Shoes and shoe uppers
- Moccasin shoes
- Handbags and suitcases
- Computer bags and golf bags
- Clothing and jeans
- Cell phone cases and safety belts
- Velcro and car seat cushions
- Seat belts and air bags
- Tents, parachutes, and other large equipment
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**Technical Parameters:**
| Feature | Specification |
|--------|---------------|
| Brand Name | SOKIEI |
| Model | BY-4420 |
| Stitch Formation | Lock Stitch |
| Mechanical Configuration | Flat-bed |
| Max. Sewing Speed | 2000 s.p.m. |
| Height of Presser Foot | 16mm |
| Stitch Length | 0-9.0mm |
| Power | 400W |
| Dimensions | 1200 * 540 * 860 mm |
| Feed Mechanism | Compound Feed |
| Certification | CE |
| Needle | DP x 17 |
| Pin Number | Double Needles |
| Gross Weight | 25KGS |
| Characteristic | Heavy duty compound feed lock stitch machine with double needles |
| Commodity Introduction | Large vertical rotating hooks, synchronized lubrication system, low noise, high durability, suitable for car parts, tents, parachutes, and more |
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**Exported Countries:**
SOKIEI machines have been successfully exported to countries such as:
- Saudi Arabia
- Iraq
- Dubai
- Kuwait
- Kazakhstan
- Poland
- England
- Australia
- New Zealand
- Belgium
- Russia
- Spain
- Canada
- USA
- Mexico
- Brazil
- South Africa
- Indonesia
- Turkey
- Malaysia
- Thailand
- Singapore
- Taiwan
- Hong Kong
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**Packing Details:**
- Standard export disinfected wooden case
- Plastic film wrapped outside for waterproof protection
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**About SOKIEI:**
Dongguan SOKIEI Sewing Machine Co., Ltd. is a professional manufacturer specializing in the research, development, and sale of industrial sewing machines. With a dedicated team of engineers and experienced staff, we provide high-quality machines for a wide range of industries, including handbags, luggage, leather goods, shoes, garments, sofas, and more.
Our machines are known for their **energy efficiency, durability, and excellent after-sales service**. We are committed to delivering reliable and cost-effective solutions tailored to meet the needs of our global customers.
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**FAQ:**
**Q1: Are you a trading company or a manufacturer?**
A1: We are a factory ourselves, and we guarantee the quality of our products.
**Q2: What is your warranty policy?**
A2: We offer a one-year warranty on spare parts, free of charge.
**Q3: Why choose SOKIEI?**
A3: Our machines are energy-efficient, environmentally friendly, and come with excellent pre-sale and after-sale support.
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**Contact Us:**
**Address:** No.2 Bohui Industrial Park, Liaobu Town, Dongguan, Guangdong, China
**Contact:** Charlie
**Mobile:** +86-139-2944-3020 / +86-150-1787-5470
**Tel:** +86-0769-8222-2263
**Fax:** +86-0769-8119-9875
**Website:** [http://sokiei.en.made-in-china.com](http://sokiei.en.made-in-china.com)
[http://sokiei.en.alibaba.com](http://sokiei.en.alibaba.com)
[http://en.sokiei.com](http://en.sokiei.com)
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**We look forward to serving you and providing you with the best possible solutions. Feel free to reach out with any questions or inquiries!**
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