Products Descriptions
If you manufacture marine upholstery, heavy-duty workwear, or thick leather bags, you know the nightmare of trying to push rigid, multi-layered materials through a standard machine. The friction is immense, leading to uneven feeding, broken needles, and operator exhaustion. Standard drop-feed machines simply cannot handle the sheer resistance of thick canvas or dense leather stacks.
The KINGMAX GC246 Union Feed Walking Foot Cylinder Bed Sewing Machine is engineered to conquer these heavy-duty challenges. Built with a powerful union feed system and a walking foot, this machine grips both the top and bottom layers simultaneously, pulling them through with absolute, synchronized precision. Whether you are sewing thick sail canvas, marine leather, or automotive interiors, the 246 delivers flawless, uniform stitching at high speeds without the dreaded material slippage.
I. Versatile Applications for Heavy-Duty Manufacturing
- Sail Canvas & Maritime Decoration: Power through thick, multi-layered canvas and marine-grade leather with perfect tension and no layer shifting.
- Automotive Interiors: Sew dense, reinforced upholstery panels and car seat covers with uniform, professional-grade stitching.
- Heavy-Duty Upholstery: Handle thick vinyl, synthetic fabrics, and dense padding for furniture and marine applications.
- Leather Bags & Footwear: Navigate tubular shapes and thick straps effortlessly for durable, high-quality leather goods.
- Industrial Workwear: Create reinforced seams on heavy-duty canvas garments and protective gear.
Applications

Sail Canvas

Industrial Workwear

Leather Bags
II. Why Partner with KINGMAX?
At KINGMAX, we provide professional sewing solutions backed by years of industry expertise. When you choose the 246 Union Feed, you're investing in:
- Unmatched Feeding Power: The union feed system eliminates material slippage, ensuring perfect seams on the toughest, most rigid materials.
- Doubled Efficiency: The optional synchronized binder and large bobbin capacity drastically reduce production time and downtime.
- Industrial Durability: Heavy-duty construction ensures consistent, high-quality stitching even during 24/7 factory operations.
- Dedicated Support: Direct access to our team for technical guidance, spare parts, and troubleshooting.
Main Features & Benefits
- True Union Feed with Walking Foot: The synchronized top, bottom, and needle feed mechanism ensures perfect, slip-free material movement. It effortlessly powers through thick, rigid, and multi-layered fabrics like canvas and heavy leather.
- Ultra-Slim 50mm Cylinder Bed: Provides exceptional maneuverability for sewing cylindrical, tubular, or hard-to-reach areas, making it the perfect tool for shoes, hats, and bag handles.
- Large Horizontal Rotary Hook & Bobbin: Accommodates heavy-duty industrial threads and significantly reduces downtime for bobbin changes during continuous, high-volume production.
- Optional Synchronized Binder: Streamlines your workflow by allowing you to attach tapes, bindings, and piping in a single, flawless pass.
- Simple Operation & Easy Maintenance: Built with a robust, heavy-duty metal frame and intuitive controls, ensuring reliable performance and minimal maintenance costs over its long lifespan.
Products Specifications
|
Model |
GC246 |
GC246-V |
GC246-A |
|
Number of Needle |
1 needle |
||
|
The Diameter of the Cylinder |
50mm |
||
|
Max.Sewing Speed |
2000SPM |
||
|
Max.Stitch Length |
6mm |
||
|
Max.Lift of the Presser Foot |
15mm |
||
|
Hook |
Large horizontal rotary hook |
||
|
Lubrication System |
Manual |
Manual |
Automatic |
|
Needle(Standard) |
DPx17 |
||
FAQ
Q: What is the difference between Union Feed and standard walking foot?
A: Union feed (or triple feed) synchronizes the needle, top presser foot, and bottom feed dog to move the material together. This provides superior pulling power for thick, rigid, and multi-layered materials compared to a standard walking foot.
Q: Can the 246 handle thick sail canvas?
A: Absolutely. The 246 is specifically designed for heavy-duty textiles like sail canvas, marine leather, and thick upholstery.
Q: What is the benefit of the 50mm cylinder bed?
A: The ultra-slim arm provides excellent maneuverability for sewing tubular or curved items like shoes, hats, and bag handles that cannot be flattened.
Q: Does this machine support tape binding?
A: Yes. An optional synchronized binder is available to attach tapes and bindings in a single pass, boosting your production efficiency.
Q: Is the KINGMAX 246 easy to maintain?
A: Yes. The machine features a simple, robust design that requires minimal maintenance, keeping your long-term operational costs low.

Need Sewing Heavy Duty&Extra Heavy Duty Materies Sewing?

Deko Corporation
With more than 20 years efforts and development,KINGMAX is one of main players in the heavy duty industrial sewing machines in the global market now.Trough stable quality, reasonable cost and professional service,we have users in more than 30+ countries and regions,which include many world famous furniture manufacturers, planes accessories manufactures etc.
Professional team
Sewing Technicians Provide Custom Solutions-Heavy Duty, Precision&industrial Stitching Expertise.
Delivery time
Sew Fast,Deliver Faster.Meeting Your Demands,While We Can Deliver Machine Faster than Expected.
Export Experience
Technician Support
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Welcome to contact us get the professional sewing solution and quotation.
Our address
Hi-Tech Zone,Xi'an,710065,China
Phone Number
86-29-81870126(86-139 9128 9750)
dekoco@vip.163.com,sales@kingmaxsew.com




