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Precision Industrial Machine Blades
Engineered to Last

With 17 years of expertise, SETON KNIFE delivers high-performance industrial knives and blades for metal, paper, corrugated, food, and packaging applications. From standard replacements to fully custom solutions — we cut with precision.

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Trusted Industrial Blade Manufacturer Since 2006

SETON has been a leading provider in the industrial blades and knives sector for over 17 years. We specialize in delivering the exact replacement blade for your machinery from our extensive inventory or crafting fully customized knives for unique industrial applications.

Our blades serve a wide range of industries including paper and printing, metal processing, carton box manufacturing, food packaging, and lithium battery production. With a commitment to precision, durability, and performance, SETON ensures every blade meets the highest standards.

View Our Product Lines
Metal Gasket Blade Lithium Battery Knife Cardboard Slitter Blades Paper Slitter Knife

Our Industrial Blade Solutions

Explore our comprehensive range of high-performance industrial knives and blades, engineered for precision and durability across multiple sectors.

Corrugated Board Alloy Knife

Corrugated Board Alloy Knife

High-strength alloy blade designed for corrugated cardboard cutting with superior wear resistance and edge retention.

  • • Material: High-speed steel alloy
  • • Application: Corrugated box making
  • • Precision-ground for consistent cuts
Cardboard Slitter Blades

Cardboard Slitter Blades

Circular slitter blades optimized for high-speed cardboard processing with minimal burr formation.

  • • Diameter: 4.2"
  • • Ideal for packaging lines
  • • Corrosion-resistant coating
Bottom Slitting Knife

Bottom Slitting Knife

Durable bottom slitter blade used in tandem with top knives for precise web slitting in paper and film applications.

  • • Size: 2.125"
  • • Hardened steel construction
  • • Balanced for high RPM use
Paper Slitter Knife

Paper Slitter Knife

Precision-engineered circular blade for clean, accurate paper slitting in printing and converting machinery.

  • • Diameter: 2.5"
  • • Mirror-polished cutting edge
  • • Suitable for coated & uncoated paper
Metal Shear Blade

Metal Shear Blade

Heavy-duty shear blade for guillotine and coil slitting machines in metal processing applications.

  • • High-toughness tool steel
  • • Heat-treated for longevity
  • • Re-grindable for extended life
Lithium Battery Knife

Lithium Battery Circular Blade

Ultra-precise cutting blade for lithium-ion battery electrode slitting with zero contamination risk.

  • • Tungsten carbide option available
  • • Sub-micron edge precision
  • • Clean-cut for sensitive materials
Alloy Circular Slitter Blade

Alloy Circular Slitter Blade

Versatile slitting knife for metal, plastic, and composite materials with excellent thermal stability.

  • • High-speed steel or carbide
  • • Precision-ground flatness
  • • Custom bore and OD options
Tissue Paper Cutting Knife

Tissue Paper Cutting Machine Knives

Specialized blades for high-speed tissue converting with minimal fiber pull and clean edge finish.

  • • Low-friction coating
  • • Designed for soft materials
  • • Long service intervals
Request Custom Blade Design

Custom-Made Blades for Unique Applications

Not finding the exact blade you need? SETON offers full custom manufacturing services tailored to your specific machinery and production requirements.

Whether you need a one-off prototype or large-volume production runs, our engineering team works with your specifications to deliver precision-cutting solutions that enhance performance and reduce downtime.

  • Custom dimensions, materials, and coatings
  • Reverse engineering from samples
  • Fast turnaround on prototypes
  • Volume pricing and OEM support
Custom Metal Gasket Blade

Advanced Manufacturing Capabilities

CNC Machining

High-precision computer-controlled machining ensures tight tolerances and repeatable quality across all production batches.

Vacuum Heat Treatment

Controlled hardening process that enhances blade durability, wear resistance, and structural integrity without oxidation.

Alloy Sintering

Advanced powder metallurgy process used to produce ultra-hard tungsten carbide and specialty alloy blades.

Raw Material Forging

High-pressure forging aligns grain structure for superior strength and impact resistance in shear and slitting blades.

Precision Grinding

Surface, centerless, and tool grinding ensure micron-level accuracy in thickness, flatness, and edge geometry.

Quality Assurance

Every blade undergoes rigorous inspection at multiple stages to ensure compliance with international standards.

Rigorous Quality Control Process

At SETON, quality is not an afterthought — it's built into every stage of production. Our comprehensive quality assurance system ensures that every blade meets exacting performance and durability standards.

• Raw material inspection using spectrographic analysis
• Rockwell hardness testing for consistent heat treatment
• Inner hole and outer diameter precision measurement
• Flatness and parallelism verification to ±0.001mm
• Two-dimensional profile inspection using optical comparators
• Batch traceability and certification available
Quality Inspection of Paper Slitter Knife

Get in Touch with SETON KNIFE

For product inquiries, custom blade requests, or technical support, contact our team directly.

Jiangsu Seton Industrial Technology Co., Ltd.

No.99, Furong Mid Three Road, Xishan Economic Development Zone, Wuxi

Phone

+86-510-83792887

Fax

+86-510-83632182

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