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  • QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine
  • QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine
  • QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine
  • QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine
  • QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine
  • QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine
QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine

QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine

  • 1 - 99 Sets
    $185
  • >= 100 Sets
    $165

Customization:

Customized logo（Min.Order: 30 pieces）
Customized packaging（Min.Order: 30 pieces）
Graphic customization（Min.Order: 30 pieces）
View product details

QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • 4-Thread Overlock Stitching: Designed to create secure, durable seams for stretchy fabrics and elastic materials, ideal for high-speed sewing in garment and apparel production.
  • Automatic Feed & Walking Foot Mechanism: Ensures smooth handling of thick materials (up to 13mm) and uneven fabrics, reducing skipped stitches and improving precision.

Key features

  • 1. Durable Industrial Build for Longevity

    • With a corrosion-resistant metal body and robust construction, ensure stability and longevity in high-volume industrial use.

  • 2. Computerized Precision for Versatile Stitching

    • With computerized operation and multi-program presets, easily adjust settings for different fabric types and stitching needs.

  • 3. High-Capacity 4-Thread Overlock System

    • With a 4-thread configuration and up to 13mm sewing thickness capacity, achieve secure, durable seams on thick or stretchy materials like elastic fabrics.

  • 4. Optimized for Stretch Fabrics and Professional Applications

    • Designed for high-speed sewing of stretchy fabrics and elastic materials, ideal for commercial garment production, sports wear, and medical apparel manufacturing.

  • 5. Safety-Compliant Industrial Design

    • Complies with industrial safety standards, ensuring safe and reliable operation in professional environments.

Product details

QK-747 Ordinary Model Wholesale Price 4-thread Flatbed Industrial Overlock Sewing Machine

The QK-747 4-thread Flatbed Industrial Overlock Sewing Machine is engineered for high-speed, precision stitching of stretchy fabrics and elastic materials. With an automatic feed mechanism and walking foot, it ensures consistent performance on uneven or thick materials. Designed for industrial applications like garment manufacturing, sports apparel, and medical textiles, this machine combines durability and flexibility to meet professional demands.

Technical specifications

FeatureSpecificationBenefit
Feed MechanismAutomatic, Walking FootEnsures even feeding of stretchy or thick fabrics.
Max. Sewing Thickness13mm (max capacity)Handles heavy-duty materials like neoprene or layered fabrics.
Mechanical ConfigurationFlat-bedProvides easy access to the sewing area for complex projects.
OperationComputerizedProgrammable stitches for repeatable precision.
Stitch Formation4-thread Overlock (Lock Stitch)Creates secure, flexible seams ideal for elastic materials.
ApplicationsCostume-making, Industrial GarmentsVersatile for fashion, medical, and athletic apparel.

Customization guide

Adjustable parameters include:

  • Walking Foot Pressure: Customize to match fabric thickness (e.g., lighter pressure for delicate lace, heavier for denim).
  • Stitch Length/Tension: Fine-tune for different materials (e.g., shorter stitches for stability in stretchy fabrics).
  • Needle Plate Options: Swap plates to accommodate varied fabric widths or specialty materials.

Get inspired

Elevate your production with the QK-747’s precision engineering. Whether crafting form-fitting sportswear or durable medical garments, this machine delivers seamless results for professional workflows.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Sewing Speed4,500 stitches/min+15% (5,175 stitches/min)+30% (5,850 stitches/min)*
Max. Thickness13mm15mm18mm
Stitch DensityStandardEnhancedPremium
Thread Capacity300m400m500m

Supplier's note

  1. Technical Breakthroughs:

    • Walking Foot: Reduces skipped stitches on uneven fabrics by applying even pressure.
    • 4-Thread Overlock: Delivers 30% stronger seams than 3-thread models, ideal for high-stretch materials.
    • Computerized Controls: Enable 20% faster setup compared to manual machines, reducing downtime.

  2. Version Selection Guide:

    • Base Model: Best for small workshops or occasional use (e.g., costume shops).
    • Advanced Model: Suited for mid-scale production (e.g., sportswear factories needing thicker material handling).
    • Pro Model: Recommended for high-volume industrial use (e.g., medical textile manufacturers requiring ultra-durable seams and speed).

*Pro Model’s 18mm thickness capacity exceeds industry standards by 25%, enabling heavy-duty applications like reinforced seams in protective gear.

Frequently asked questions

  • Which 4-thread overlock machine suits small workshops for costume making?

  • How do I maintain the needle area of a 4-thread industrial overlock machine?

  • Spandex vs Cotton: Which is better for elastic seams with this overlock machine?

  • Can I customize presser feet for the QK-747 industrial overlock machine?

  • Is the QK-747 overlock machine CE-certified for industrial use?

  • Why choose a 4-thread overlock stitch for elastic materials?

  • Can the QK-747 handle thick fabrics like neoprene?

  • What makes the flat-bed design of this industrial overlock machine advantageous?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard Overlock Sewing MachineGarment prototyping, small-scale productionMax Sewing Thickness: 10mm (ISO 10549)
Manual Walking Foot (EN ISO 2372)
Mechanical Stitch Control (ASTM D3758)		Cost-effective for small batches
Reliable for standard fabrics		Limited to thinner materials
Manual adjustments required
Our Base Model (QK-747)Medium-scale production, costume-makingMax Sewing Thickness: 13mm (ISO 10549) ▲
Automatic Walking Foot (EN ISO 2372) ▲
Computerized Stitch Control (IEC 60947-5-1) ▲		Handles elastic/stretchy fabrics ▲
Automated adjustments save time		Higher cost than basic models
Requires training for advanced features
Our Advanced ModelHigh-volume production, medical textilesMax Sewing Thickness: 15mm (ISO 10549) ▲▲
Dual Needle Capability (ASTM D3758) ▲
Touchscreen Interface (IEC 60947-5-1) ▲		Processes industrial-grade materials ▲▲
Touchscreen simplifies setup		Most expensive option
Complex setup for non-experts
Industrial Sewing Machine (Standard)Mass production, heavy-duty textilesMax Sewing Speed: 5000 stitches/min (ISO 9283)
Heavy-Duty Motor (IEC 60034)		High output for factories
Robust for thick materials		Bulky footprint
High maintenance costs
家用缝纫机 (Home Sewing Machine)Hobby projects, light repairsMax Sewing Thickness: 5mm (ISO 10549)
Manual Operation (ASTM D3758)		Affordable entry-level option
Easy to store and use		Limited to thin fabrics
Slow speed for complex projects
Computerized Sewing Machine (Standard)Custom garment production, detailed workProgrammable Stitch Memory (IEC 60947-5-1)
USB Connectivity (ISO/IEC 17025)		Replicates precise patterns
Updates via software		Requires technical skills
Software compatibility issues possible

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