Top 10 Slitter Blade Manufacturers in the USA (2026 Guide)
Top 10 Slitter Blade Manufacturers in the USA (2026 Guide)
Slitter blades are widely used in metal coil processing, paper converting, film slitting, flexible packaging, foil production, plastics, and other industrial cutting applications. Blade dimensions, edge condition, material selection, and manufacturing accuracy can directly affect slit quality, burr formation, blade life, and production-line stability.
Choosing a Slitter Blade manufacturer is therefore not only a matter of comparing blade prices. You also need to determine whether the supplier can match your machine, substrate, blade dimensions, edge geometry, tolerances, and actual operating conditions.
Manufacturers differ significantly in their product focus. Some primarily manufacture circular slitter knives for paper, film, and packaging converting. Others specialize in metal slitting knives and shear-cut tooling. Several companies also provide Knife Holders, spacers, shafts, sharpening, and complete tooling-management services.
This list was prepared using publicly available manufacturer information, product relevance to slitting applications, manufacturing and customization capabilities, application coverage, and suitability for industrial purchasing projects.
It focuses on manufacturers serving buyers in the USA and includes established US-based companies as well as SENDA, a China-based manufacturer supplying custom slitter blades to customers in the United States and other international markets.
The order does not represent company size, market share, or an absolute ranking of product quality. Buyers should still compare suppliers according to the material being cut, machine model, blade dimensions, blade material, hardness, edge geometry, tolerances, lead time, and after-sales support.
Below are ten slitter blade manufacturers worth considering for industrial purchasing projects in 2026.
Top 10 Slitter Blade Manufacturers
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SENDA
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Portage Knife Company
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Carolina Knife & Manufacturing, Inc.
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American Cutting Edge
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York Saw & Knife Company
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Valley Grinding & Manufacturing
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Great Lakes Industrial Knife
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Bach Knives
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Hyde Industrial Blade Solutions
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TGW International
1. SENDA
Country: China
Company Type: Manufacturing, Wholesale, Custom Supply
Establishment Date: 1998
Main Product: Slitter Blades
Website: https://www.sendablade.com/
SENDA is a manufacturer of industrial slitter blades and custom machine knives serving buyers in the USA and other international markets. Its product range includes circular slitter blades, rotary slitter knives, metal slitting knives, tungsten carbide slitter blades, and other custom cutting blades for industrial production lines.
SENDA supports custom manufacturing based on blade drawings, existing samples, machine models, material requirements, and actual cutting conditions. Its slitter blades can be manufactured for steel, stainless steel, aluminum foil, copper foil, paper, paperboard, film, plastics, and other industrial materials.
Since its establishment in 1998, SENDA has accumulated experience in blade-material selection, heat treatment, precision grinding, edge finishing, and dimensional inspection.
The company supports buyers requiring non-standard slitter blades, OEM production, replacement knives, machine-compatible tooling, and stable repeat supply.
Buyers can provide blade dimensions, drawings, existing samples, substrates, hardness requirements, tolerances, and information about current problems such as burrs, edge chipping, rapid wear, or installation mismatches for quotation and technical review.
2. Portage Knife Company
Country: USA
Company Type: Manufacturing, Custom Supply, Sharpening Services
Establishment Date: 1983
Main Product: Slitter Blades
Website: https://portageknife.com/
Portage Knife Company is an industrial circular knife manufacturer based in Akron, Ohio. It primarily serves paper, film, label, adhesive, nonwoven, and other converting applications.
The company manufactures circular score knives, circular slitter knives, industrial razor blades, separator discs, anvil sleeves, and pneumatic knife holders.
Its circular knives can be customized according to outside diameter, inside diameter, thickness, hub dimensions, edge angle, edge radius, and cutting requirements.
Published material options include 52100, D2, M2, stainless steel, and steel-bodied carbide constructions, allowing buyers to select different levels of wear resistance, sharpness, and cutting performance.
Portage Knife also provides circular knife sharpening for sharp edges, radius edges, and different included angles. This combination of standard products, custom knives, holders, and sharpening services can support buyers managing both blade purchasing and long-term maintenance.
3. Carolina Knife & Manufacturing, Inc.
Country: USA
Company Type: Manufacturing, Custom Production, Sharpening Services
Establishment Date: More than 40 years
Main Product: Slitter Blades
Website: https://www.carolinaknife.com/
Carolina Knife & Manufacturing, Inc. is based in Asheville, North Carolina. The company manufactures circular knives, slitter blades, straight knives, and other custom industrial cutting tools.
It can produce top slitters, bottom slitters, circular blades, and replacement knives according to machine specifications, OEM requirements, and actual cutting conditions.
Carolina Knife manufactures blades from materials including stainless steel, high-carbon tool steel, tungsten carbide, and ceramic.
Its products are used for cutting and slitting paper, film, foil, textiles, plastics, rubber, tires, pulp, and other industrial materials.
In addition to manufacturing new blades, the company provides blade sharpening, CNC machining, double-disc grinding, form grinding, and custom blade services. Buyers can order replacement blades according to drawings, existing samples, machine specifications, or OEM part numbers.
In 2025, Carolina Knife & Manufacturing became part of Hyde Industrial Blade Solutions. Manufacturing, sales, and distribution operations continued at the Asheville facility following the acquisition.
4. American Cutting Edge
Country: USA
Company Type: Manufacturing, Custom Supply, Blade Sharpening Services
Establishment Date: 1965
Main Product: Slitter Blades
Website: https://americancuttingedge.com/
American Cutting Edge is an industrial blade manufacturer based in Ohio. The company was originally established as CB Manufacturing and Sales Company in 1965.
For slitting applications, American Cutting Edge supplies circular slitter knives, round dish blades, flat slitters, shear slitting knives, bottom slitter knives, anvil blades, and slotted razor blades.
Its shear slitter knives are used for paper, film, foil, and other converting materials. The company also supplies replacement slitter blades for different machines and holder systems, together with industrial blades for rubber and tire processing.
American Cutting Edge offers selected standard products and custom blades developed according to machine specifications, blade dimensions, drawings, samples, and application requirements.
It also provides industrial blade sharpening, refurbishing, precision grinding, and machining services. When an original blade is obsolete, unavailable, or unsuitable, the company can reverse-engineer and manufacture a custom replacement.
5. York Saw & Knife Company
Country: USA
Company Type: Manufacturing, Custom Production, OEM Replacement Supply
Establishment Date: 1906
Main Product: Slitter Blades
Website: https://www.yorksaw.com/
York Saw & Knife Company is based in York, Pennsylvania. Since 1906, the company has manufactured circular knives, round slitters, straight knives, cutoff knives, and other custom industrial machine blades.
Its circular slitter knives are used for slitting, trimming, scoring, and cutting paper, plastics, film, foil, textiles, nonwovens, metals, packaging materials, rubber, and leather.
The company can manufacture blades for shear slitting, razor slitting, and hot-knife slitting applications.
York Saw & Knife supports custom production according to blade drawings, existing samples, and specific operating requirements. Buyers can specify outside diameter, inside diameter, thickness, edge geometry, tooth configuration, and blade material.
Published material options include high-carbon steel, stainless steel, D2, M2, 52100, CPM 10V, solid carbide, and ceramic.
The company manufactures its blades at its York facility using processes including laser cutting, heat treatment, precision grinding, and edge finishing. Its engineering team can also reverse-engineer existing samples when original replacement parts are obsolete or unavailable.
6. Valley Grinding & Manufacturing
Country: USA
Company Type: Manufacturing, Custom Production, Blade Sharpening, Blade Management Services
Establishment Date: 1987
Main Product: Slitter Blades
Website: https://www.valleygrinding.com/
Valley Grinding & Manufacturing is headquartered in Little Chute, Wisconsin. Its services include industrial slitter blades, razor slitting blades, top slitters, bottom slitters, custom OEM components, precision grinding, and blade lifecycle management.
Its slitting products are used in paper, paperboard, film, flexible packaging, copper foil, aluminum foil, battery materials, and other converting applications.
Valley Grinding can manufacture blades with different edge profiles, angles, materials, and holder configurations according to OEM dimensions and actual operating requirements.
Published materials for its top slitter blades include 52100, D2, and powdered-metal 10V. The company also supplies A11 and carbide slitting tools for applications requiring increased wear resistance and blade life.
In addition to manufacturing new blades, Valley Grinding provides industrial blade sharpening, rapid turnaround, pickup and delivery, operator training, and a Slitter Management Program.
The program helps customers monitor blade quantities, sharpening status, replacement cycles, and inventory, making it suitable for plants managing large numbers of slitting tools.
7. Great Lakes Industrial Knife
Country: USA
Company Type: Manufacturing, Custom Production, Blade Sharpening and Refurbishing
Establishment Date: 1981
Main Product: Slitter Blades
Website: https://www.glknife.com/
Great Lakes Industrial Knife is based in Akron, Ohio. Founded in 1981, it currently operates as a division of American Cutting Edge.
The company manufactures industrial machine knives, slitter knives, score knives, slitter anvils, slitter sleeves, slitter shafts, and other custom cutting components.
Its slitting products serve paper converting, packaging, plastic film, laminates, and metal-processing applications.
Depending on machine and production requirements, the company can provide slitter knives, score knives, multi-groove bottom bands, anvil rolls, sleeves, and shafts.
Great Lakes Industrial Knife supports custom machine knives and replacement tooling for different machine brands and models.
It also provides industrial blade sharpening, refurbishing, precision grinding, and machining, making it suitable for customers requiring both new blades and periodic maintenance of existing slitting tooling.
8. Bach Knives
Country: USA
Company Type: Manufacturing, Custom Supply, Slitting Tooling, Technical Training
Establishment Date: More than 75 years
Main Product: Slitter Blades
Website: https://bachknives.com/
Bach Knives is based in Franklin, Massachusetts. Its product range includes slitter knives, shear knives, knife holders, spacers, and related tooling for metal-processing and converting machinery.
For metal slitting operations, its rotary shear and slitter knives can process materials ranging from thin foil to heavier-gauge metals.
Applications include stainless steel, nickel alloys, copper, brass, titanium, hot-rolled steel, clad metals, and other industrial materials.
The company also supplies shear slitter blades, replacement knives, holders, and spacers for paper, film, tissue, and board converting.
For specialized applications, Bach Knives can design blades with different dimensions, materials, and configurations according to the substrate, machine, and slitting setup.
In addition to tool-steel and alloy-steel products, the company supplies tungsten carbide rotary slitter knives for applications requiring increased wear resistance, dimensional precision, and operating life.
Bach Knives also provides metal-slitting and converting-slitting training covering tooling installation, clearance settings, spacer use, edge quality, tooling maintenance, and slitting-system management.
9. Hyde Industrial Blade Solutions
Country: USA
Company Type: Manufacturing, Custom Production, Volume Supply
Establishment Date: 1875
Main Product: Slitter Blades
Website: https://www.industrialbladesandknives.com/
Hyde Industrial Blade Solutions is based in Southbridge, Massachusetts, with an industrial blade manufacturing history dating to 1875.
The company manufactures circular knives, slitter blades, top knives, bottom knives, anvils, score cutters, core cutters, and other custom industrial blades.
Its precision slitting tools are used for paper, film, foil, plastics, rubber, industrial belting, textiles, and other converting materials.
The product range includes precision-ground slitter knives, core cutters, top dish knives, bottom anvils, score cutters, and split bottom knives.
Hyde can match stock or custom slitter blades to the working environment, machine speed, substrate, blade dimensions, and edge requirements.
Its custom circular knives can be manufactured from D2, M2, carbide, stainless steel, and other materials, with different outside diameters, thicknesses, bore sizes, and edge configurations.
10. TGW International
Country: USA and Global Operations
Company Type: Manufacturing, Custom Production, OEM Blade Supply
Establishment Date: 1908; US Operations Established in 1994
Main Product: Slitter Blades
Website: https://www.tgwint.com/
TGW International is an industrial machine knife manufacturer serving packaging, processing, printing, and converting industries.
The original company was established in Sheffield, England, in 1908, and its North American operation was established in Wilder, Kentucky, in 1994.
TGW supplies industrial blades for razor slitting, score slitting, and shear slitting. Its blades are used for plastic film, paper, paperboard, foil, flexible packaging, and other converting materials.
Products include circular slitters, top and bottom shear slitters, score knives, razor blades, and custom replacement knives.
The company manufactures slitter knives according to OEM specifications and selects blade materials according to the substrate, machine speed, and required operating life.
Published material options include 420- and 440-series stainless steel, M2 high-speed steel, and D2 tool steel.
For film and plastic-sheet converting, TGW also supplies circular knives with wear-resistant coatings or serrated cutting profiles to support edge retention and consistent cutting during high-speed production.
The company maintains manufacturing or operating facilities in the United States, the United Kingdom, and India and supports buyers requiring OEM-compatible knives, international supply, and multiple blade-material options.
Conclusion
The manufacturers listed above represent a selection of slitter blade suppliers serving the US market. The list includes established US-based companies as well as SENDA, a China-based manufacturer supplying custom slitter blades to customers in the USA and other international markets.
Each manufacturer has a different product focus. Some primarily serve paper, film, and packaging converting, while others specialize in metal coil slitting. Several companies also provide knife holders, spacers, shafts, sharpening, and complete tooling-management services.
When selecting a slitter blade manufacturer, price should not be the only consideration. You should also determine whether the supplier can match your substrate, machine model, blade dimensions, material, hardness, edge geometry, tolerances, and actual production problems.
Before requesting a quotation, prepare the following information:
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Blade drawing or existing sample
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Outside diameter, inside diameter, and thickness
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Edge geometry and angle
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Substrate and material thickness
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Machine brand and model
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Required blade material and hardness
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Dimensional tolerances and surface requirements
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Required quantity
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Current problems such as burrs, edge chipping, rapid wear, or unstable slit quality
SENDA manufactures circular slitter blades, rotary slitter knives, metal slitting knives, tungsten carbide slitter blades, and other custom industrial blades according to drawings, existing samples, machine information, and actual operating conditions.
Buyers can submit their specifications, application materials, and current cutting problems for quotation and technical review.
This list was prepared using publicly available manufacturer information, product relevance, manufacturing and customization capabilities, and suitability for industrial purchasing projects. The order does not represent company size, market share, or an absolute ranking of product quality.