Small Circular Slitter Blades Series

Precision Small Rotary Slitting Knife for Film, Paper, Foil & Metal Processing

The Small Circular Slitter Blade is a high-precision rotary cutting blade engineered for high-speed slitting machines and rewinding systems.

Designed for clean, burr-free cutting, these precision round blades are widely used in film slitting, adhesive tape converting, paper roll cutting, foil processing, label production, and thin metal strip slitting.

Manufactured with strict dimensional tolerance and premium tool steel or carbide materials, our blades help improve slit edge quality, reduce downtime, and extend blade life.

Product Features

• ultra-sharp cutting edge
• burr-free slitting performance
• high wear resistance
• excellent concentricity
• stable high-speed operation
• custom sizes available
• OEM drawing support

Suitable for continuous rotary slitting lines and high-speed converting machines.

Technical Parameters

Available Materials

We provide multiple blade materials based on different cutting applications:

Tungsten Carbide Circular Blade

Best for:

• high-speed slitting
• abrasive materials
• long production runs
• battery foil / copper foil

Longer service life and superior wear resistance.

HSS Circular Slitter Blade

Suitable for:

• paper converting
• BOPP / PET film
• adhesive tape
• label stock

Excellent balance between toughness and cost.

D2 / SKD11 Tool Steel Blade

Ideal for:

• metal strip slitting
• aluminum foil
• thin stainless steel
• general industrial use

Applicable Materials

Our small circular slitter blades are widely used for cutting:

• BOPP film
• PET film
• PE film
• PVC film
• adhesive tape
• kraft paper
• label paper
• aluminum foil
• copper foil
• battery electrode material
• thin metal strip

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Compatible Equipment

Suitable for:

• slitting rewinder machines
• label slitting machines
• tape converting machines
• film slitting lines
• paper roll slitters
• foil slitting machines
• battery electrode cutting systems

Custom Manufacturing Process

We support full OEM / ODM manufacturing.

Step 1: Drawing Confirmation

Send us:

• OD / ID / thickness
• edge angle
• material
• machine brand
• application material

Step 2: Material Selection

Engineering team recommends best steel grade.

Step 3: CNC Precision Grinding

High-precision CNC grinding ensures:

• concentricity
• flatness
• edge angle consistency

Step 4: Heat Treatment

Optimized hardness for wear resistance and toughness.

Step 5: Fine Lapping & Polishing

Ultra-smooth surface finish improves cutting quality.

Step 6: Full QC Inspection

100% inspection before shipment.

Quality Inspection Standards

Every blade undergoes strict testing:

• OD / ID tolerance inspection
• thickness measurement
• hardness testing
• edge sharpness inspection
• concentricity testing
• flatness inspection
• microscope edge check
• surface roughness test

Why Buyers Choose Our Small Circular Slitter Blade

Clean Burr-Free Cutting

Reduces dust and scrap.

Longer Blade Life

Premium carbide and HSS materials.

High-Speed Stability

Suitable for fast converting lines.

OEM Replacement Support

1:1 replacement according to samples or drawings.

Factory Direct Pricing

Competitive for distributors and machine manufacturers.

Packaging & Delivery

• anti-rust oil protection
• individual edge protection
• foam shock-proof packaging
• export carton / plywood box
• custom labeling available

Lead time:

• standard size: 3–7 days
• custom size: 7–15 days

FAQ

What is the smallest diameter you can produce?

We can manufacture blades from 20 mm OD and above.

Can you customize according to drawings?

Yes, we support full OEM based on drawings or samples.

Which material is best for film slitting?

For film and tape, tungsten carbide and HSS are most recommended.

What tolerance can you achieve?

Standard tolerance: ±0.002 mm

Do you support distributors?

Yes, we support wholesale and distributor pricing.

Request a Fast Quote

Looking for a reliable Small Circular Slitter Blade manufacturer?

Send us:

• blade size
• material to cut
• machine model
• required quantity

We will provide factory price + technical recommendation within 24 hours.