Your Leading Sewing Machine Round Head Buttonhole Parts Supplier
Zhejiang Jiaxing Precision Technology Co.,Ltd. is a professional manufacturer specializing in sewing machine parts and precision components. Our range of sewing machine adjustment & control parts is comprehensive, including stitch length regulator, presser foot lifter, pressure adjustment screw & nut, sewing machine head support, and knee lifter rod. These products are widely used in industrial and household sewing machines, textile automation equipment, and related precision machinery.
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![Sewing Machine Cutter Sensor]()
Sewing Machine Cutter SensorSuitable for 9820 round head buttonholing machines -
![Sewing Machine Venturi Tube]()
Sewing Machine Venturi TubeSuitable for 9820 round head buttonholing machines -
![Sewing Machine oil tube joint]()
Sewing Machine oil tube jointSuitable for 9820 round head buttonholing machines -
![Sewing Machine Tubing Plug]()
Sewing Machine Tubing PlugSuitable for 9820 round head buttonholing machines -
![Sewing Machine Switch Cover]()
Sewing Machine Switch CoverSuitable for 9820 round head buttonholing machines -
![feed bar cover assembly (U type) for RH-9820]()
feed bar cover assembly (U type) for RH-9820Suitable for 9820 round head buttonholing machines -
![Sewing Machine Belt Guard]()
Sewing Machine Belt GuardSuitable for 9820 round head buttonholing machines -
![Sewing Machine Handwheel]()
Sewing Machine HandwheelSuitable for 9820 round head buttonholing machines
Types Of Sewing Machine Round Head Buttonhole Parts
Sewing Machine Belt Guard
The Sewing Machine Belt guard protects the transmission parts for safe and stable machine running. Suitable for 9820 round head buttonholing machines.
Sewing Machine Switch Cover
The Sewing Machine Switch cover is a special protective accessory for the emergency stop switch of Brother 9820 round head buttonholing machines, taking into account safety protection and component maintenance.
Sewing Machine Tubing Joint
The Sewing Machine Tubing joint is a key connecting component of the 9820 model's lubrication system, responsible for the sealed connection of the oil circuit and ensuring stable oil supply to core components.
Parameter of Sewing Machine Round Head Buttonhole Parts
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Product Category |
Sewing Machine Round Head Buttonhole Parts |
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Material |
Hardened steel, precision alloy |
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Surface Finish |
Polished or plated for wear resistance |
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Weight Range |
Approx. 0.05–0.25 kg per part |
|
Compatibility |
Industrial round head buttonhole machines |
|
Function |
Guides fabric and forms buttonhole stitching |
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Tolerance |
Precision machined for accurate size control |
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Mounting Type |
Precision holes or slots for secure installation |
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Operating Speed |
Designed for high-speed buttonhole cycles |
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Application |
Garment edges, cuffs and buttonhole production |
Misoperation Prevention and Safety Protection
Physical shielding avoids accidental touching of the emergency stop switch, preventing fabric damage or process interruption caused by accidental shutdown; at the same time, it protects the switch trigger structure to ensure stable activation in case of sudden faults.
Core Component Protection
Utilizing the stain-resistant, waterproof and moisture-proof properties of ABS, it blocks cloth dust, dust and moisture from entering the switch interior, avoiding contact oxidation and short circuit, extending the switch life and reducing maintenance.
Structural Organization and Easy Maintenance
It connects neatly with the machine body and hides the line interface; the ABS material is easy to process and has dimensional stability to adapt to the mounting holes, making subsequent disassembly and maintenance more convenient. The Sewing Machine Switch cover safeguards the emergency stop system for safe production.
Ordering Process
Inquiry & Requirement Review
Buyers send drawings, samples, or specifications, and our team reviews technical details, materials, and application requirements.
Technical Evaluation & Quotation
We evaluate production feasibility, confirm processes and tolerances, and provide a clear quotation with lead time.
Sample Development & Approval
If required, we produce trial samples or prototypes for testing and confirmation before mass production.
Order Confirmation & Production
After sample approval, the order is confirmed and scheduled for in-house production under strict quality control.
Quality Inspection & Packaging
All products undergo inspection to ensure consistency, accuracy, and safe packaging for international shipment.
Delivery & After-Sales Support
We arrange shipment and provide ongoing support for any technical or quality-related inquiries after delivery.
Common Materials of Sewing Machine Round Head Buttonhole Parts
Stainless Steels
Stainless steel is the most widely known high alloy steel, characterized by its high chromium content (typically 12% or more), which forms a protective oxide layer to prevent corrosion.
- Ferritic Stainless Steel
Contains 12–25% chromium with low carbon content. While it is not capable of being hardened via heat treatment, it can still gain strength through cold working
- Martensitic Stainless Steel
Includes 12–18% chromium and has more carbon compared to ferritic stainless steel. It is the only hardenable stainless steel, offering high strength and wear resistance.
- Austenitic Stainless Steel
The most corrosion-resistant stainless steel, with 18% chromium and 8–12% nickel. It is non-magnetic, highly formable, and resistant to harsh chemicals.
High-Speed Tool Steel
It is recognized for its durability, high-temperature performance, and ability to maintain a keen cutting edge. Typically composed of 18% tungsten, 4% chromium, 1% vanadium, and 0.8% carbon, it can maintain hardness at temperatures up to 600°C.
Maraging Steel
Maraging steel is an exceptionally strong alloy steel known for its impressive toughness and outstanding workability. It contains 18% nickel, 7% cobalt, and minimal carbon, relying on precipitation hardening rather than traditional carbon-based hardening.
Manganese Steels
Manganese steel, also known as Hadfield steel, is a durable, high-strength material recognized for its ability to harden upon impact. It contains 12–14% manganese and approximately 1% carbon, giving it a unique ability to become harder under stress and impact.
Other High-Alloy Steels
Apart from stainless, tool, and manganese steels, several specialized high-alloy steels are designed for extreme environments:
- Nickel-Based Steels
Provide high strength and oxidation resistance, used in gas turbines, marine engineering, and extreme high-temperature applications.
- Cobalt-Based Steels
Known for high wear resistance and edge retention, used in surgical tools, aerospace components, and heat-resistant jet engine parts.
Our Service Advantages
Pre-sales Service
We assist customers by reviewing technical requirements, materials, and applications, and provide solution advice, product selection support, and trial samples when required.
In-sales Service
We provide clear updates on production and delivery status, adjust schedules when necessary, and support shipping and export procedures.
After-sales Service
We offer repair or replacement during the warranty period and provide paid service support after warranty.
Packing & Transportation
FAQ
As one of the leading sewing machine round head buttonhole parts manufacturers and suppliers in China, our products have good reputation in the market. Please rest assured to wholesale high quality sewing machine round head buttonhole parts at competitive price from our factory. Contact us for more details.
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