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Industrial Knife Sharpening Since 1989

Tri State Knife delivers fast, reliable industrial blade sharpening and new replacement blades for paper, plastic recycling, and ice resurfacing operations in NY, NJ, PA, DE and nationwide.

Paper Industry

Precision grinding for guillotine knives, slitters, and trimmers. Sharp blades improve cut quality and help limit costly downtime.

Expert Sharpening & Grinding Services

Trusted by industry leaders for over 35 years across NY, NJ, PA, DE, and nationwide.

Plastic Recycling

Specialized heavy-duty sharpening for granulator and shredder blades. Built to endure the high-friction demands of plastic recycling plants.

Ice Resurfacing

Meticulous sharpening for ice resurfacing blades. We ensure your Zamboni or Olympia maintains a flawless, professional-grade sheet of ice.

Shear Blades

High-performance sharpening for industrial shear blades and metal cutting tools. Deliver clean, burr-free cuts for all high-volume manufacturing applications.

Packaging Blades

Precision sharpening for sealing jaws, baggers, and form-fill-seal knives. Ensure reliable packaging line performance with perfectly ground industrial blades.

Landscaping

Commercial sharpening for wood chippers, mower blades and outdoor equipment. Keeping your landscaping crews productive with professional-grade cutting edges all season.

Food Processing

Hygienic grinding services for food processing knives and circular blades. We maintain precision edges while meeting strict food safety and sanitation standards.

Cutting Sticks

Cutting Sticks for all of your paper cutters.

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Woodworking

Precision sharpening techniques for large veneer knives, planers and saw blades.

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