Heavy-Duty Shredder Blades & Grinder Teeth

High-impact replacement teeth and blades for industrial shredders and forestry mulchers. Engineered to handle the toughest reclamation and recycling tasks.

  • High Impact Resistance: Forged from specialized alloy steel to withstand rocks, nails, and heavy debris.

  • Dual Application: Optimized designs for both forestry land clearing and plastic recycling lines.

  • Uniform Output: Ensures consistent particle size for efficient downstream processing or melting.

  • Custom Fit: Replacement parts available for all major industrial shredder and mulcher brands.

Our shredder knives and grinder teeth are designed for the “First Stage” of material processing. Whether you are clearing land in a forestry application or reducing plastic bottles to flakes for recycling, these tools are built for raw power and durability.

  • Forestry & Land Clearing: Large-scale grinder teeth designed for mulchers to grind tree stumps and brush directly into the soil. These feature reinforced edges to resist abrasion from dirt and rocks.

  • Plastic Recycling (Primary Shredding): Specialized rotor knives for large-bore shredders. They break down bulky plastic waste (bales, bottles, or purgings) into uniform scraps, ensuring a consistent melt time in the extrusion process.

  • Heat Treatment: Each blade undergoes a multi-stage hardening process to achieve a “hard-outside, tough-inside” structure, preventing catastrophic breakage during high-torque operations.

  • Precision Grinding: Despite their size, our blades are precision-ground to maintain a tight clearance between rotor and stator knives, reducing energy consumption.

How do you prevent the blades from breaking when they hit metal contaminants?
We use specialized shock-resistant alloy steels like DC53 or Hardox. These materials have higher fracture toughness than standard tool steels, allowing them to absorb impacts without shattering.
It depends on the design. Most of our flat-face shredder knives can be reground multiple times. However, for carbide-tipped forestry teeth, we recommend replacement once the carbide insert is worn to maintain machine balance and efficiency.
A concave design creates a more aggressive cutting angle. This “pulls” the plastic into the rotor, increasing throughput and reducing the heat generated by friction, which prevents the plastic from softening or sticking to the blade.
Yes. We offer high-strength (Grade 10.9 or 12.9) fastening bolts specifically designed for high-vibration environments to ensure the teeth remain securely seated during heavy operation.
Can't find what you're looking for? Contact us for custom solutions! We support OEM/ODM customization.