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It effortlessly crushes plastic, wood, and paper. Our industrial shredder blades are made from high-carbon steel for extreme durability and feature a 4-edged design for longer life.

Engineered with HRC 58-62 hardness for extreme wear resistance, these industrial shredder blades deliver precision cutting, reduce downtime, and boost recycling efficiency.

Watch ShengAo’s slitting blade performance review video showcasing precision cutting tests on PET, PP, and copper foil materials.

Watch the ultimate cutting battle in this video! ShengAo tests its giant 610mm industrial round knife against a standard small blade for mass paper cutting.

Our engineered tooth geometry delivers high-efficiency, precision cutting for packaging plastic films by reducing heat buildup and preventing stretching, ensuring clean, burr-free cuts.

Watch this video to discover ShengAo’s groundbreaking micro-serrated circular blade – engineered to solve slitting challenges with abrasive materials, laminates, and composites.

Designed with tungsten carbide or hardened steel (HRC 60+), these zigzag knives deliver precision cutting, reduce friction, and prevent material sticking on PE.

See how the steel body fused with carbide inserts delivers long-lasting performance, reduces downtime by 300-500%, and ensures smooth finishes on hardwoods and MDF.

Watch this video from ShengAo, a leading industrial blades manufacturer, to see our high-performance hot cut blades in action. Ideal for plastic recycling, metal fabrication, and textile processing.

Our band knives are crafted from advanced alloys and undergo rigorous heat treatment, achieving optimal balance of extreme hardness and toughness for exceptional durability.

Watch this video to see how ShengAo's Tungsten Carbide Strip Blades deliver unmatched durability & precision for metalworking, recycling, and wood processing.

We demonstrate military-grade timber crates with advanced cushioning to prevent damage from impacts, vibrations, and moisture—keeping your blades in precision-cutting condition.

See our CNC precision engineering and multi-stage heat treatment (including vacuum hardening and plasma nitriding) that creates blades with 5x longer lifespan.

Watch ShengAo's exclusive video demo showcasing our premium collection of HSS and tungsten carbide circular slitter blades! Engineered for zero-burr, precision cutting of paper, film and foil.

Designed for high-speed precision cutting of non-woven fabrics, this CNC-engineered blade delivers clean, burr-free edges without fraying—ideal for medical textiles and wet wipes.

Featuring high-carbon steel, 58-62 HRC hardness, and ±0.1° angular accuracy. Ideal for metal fabrication, plastic recycling, and paper cutting.

This industrial tool ensures clean, sealed edges without fraying, boosting efficiency in demanding applications.

See the precision manufacturing process behind these OEM/ODM blades, featuring HRC 58-65 hardness, CNC grinding, and dynamic balancing for smooth operation.

Discover ShengAo’s precision engineering in manufacturing high-performance shredder blades, circular cutters, and plastic crusher knives.

Achieve burr-free cuts on corrugated board, labels, and films with HRA 93.5-95 hardness and ±0.002mm CNC-ground edges. Compatible with BOBST/Heidelberg machines.

This video showcases the making of custom special-shaped blades with razor-sharp accuracy, extreme durability, and high efficiency for packaging, textiles, and composites.

See precision cutting for wood, metal, and recycling applications, engineered with advanced heat treatment for maximum durability.

See the blade technology in action – engineered for aggressive cutting in continuous production environments. Learn why ShengAo’s serrated blades deliver extended service life and consistent performance.

Engineered from D2, SKD-11, and tungsten steel (HRC 50-63), our blades deliver precision cutting for plastic processing, reducing downtime and boosting productivity.

Crafted from high-speed steel or tungsten carbide with HRC 60-61 hardness, these blades deliver burr-free cuts for stacks up to 1200 GSM and last 3–5x longer than conventional blades.