America's Largest Domestic Manufacturer of Circular Scoring KnivesManufactured in Akron, OhioPrecision EngineeringAmerican MadeA Better EdgeHundreds of Options. Ready to Ship.
Hundreds of edge angle and radius combinations in stock. Explore our scoring knife series to find the configuration your application needs.Most of our products are manufactured in our 28,000-square-foot Akron facility, where machining and regrinding support your ongoing cutting needs.From an existing sample to a new application, we help define the blade dimensions, edge geometry and mounting details for your project.Most of our circular scoring knives use American-made 52100 steel. Other material options are available for different blade requirements.Edge angle, radius and material work together to shape the cut. CNC production helps us reproduce the blade geometry your application requires.Explore hundreds of in-stock edge angle and radius combinations, plus a wide selection of knife styles, holders, and holder components. Browse our inventory online to find the right options for your setup.
Circular Scoring KnivesInside Portage KnifeDesign Around Your ApplicationSteel for Knife ManufacturingAttention to Edge GeometryStocked Knives and Components
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Drag left or right through six blade sections. Release anywhere to continue rolling forward. Moving backward repairs the line. Arrow keys select adjacent sections; Home and End select the first and last. Focus pauses movement. Press Space to pause or resume.
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