
Industrial and machine knives made to drawing
Precision right down to the cutting edge. Custom-made—even in lengths up to 5,000 mm
Durable and precise industrial blades are essential for industrial cutting processes. Through a carefully selected combination of materials, geometry, and manufacturing technology, we produce industrial blades that are precisely tailored to your application and process conditions—from individual parts to small production runs.
For numerous manufacturers and applications
We manufacture custom industrial and machine blades for numerous established machine and equipment manufacturers.
OEM Quality and Flexible Manufacturing
We manufacture custom designs with precision based on drawings, samples, or technical specifications—from individual parts to small production runs.
Long lengths up to 5,000 mm
We also manufacture long industrial and machine knives with high precision along their entire length—in one-piece designs up to 5,000 mm.
For Your Industry and Application—The Right Industrial Knife
Food Industry
Industrial and machine knives for custom cutting and slicing applications in food processing.
Recycling Industry
Chopping knives for industrial cutting and shredding processes—featuring a wear-resistant design and an optimized balance of hardness and toughness.
Plastics Industry
For custom cutting, shearing, and shredding applications in plastics processing—precisely manufactured to ensure consistent cutting results and high durability in demanding applications.
Paper & Cardboard Industry
Blades for cutting and shearing applications in paper, cardboard, and packaging processing. Precision-engineered for consistent cut edges and reliable cutting performance.
Wood Industry
Blades for various applications in industrial woodworking. Precision-engineered for clean cut surfaces, high dimensional accuracy, and reliable service life.
Metal Industry & Plant Engineering
Shear and profile blades for metalworking, as well as for custom machines and systems—in a one-piece design and induction-hardened up to 5,000 mm.
Is your knife not here?
Based on your technical specifications, we manufacture knives with custom dimensions, cutting edge geometries, heat treatments, coatings, and special designs.
Technical Design for Consistent Performance
The performance of an industrial knife depends not only on its shape, but above all on its technical design and the material used.

PRÄZI Industrial and Machine Knives
| Types of Knives | • Profile knives • Planer blades • Shear blades • Veneer knives • Cleavers |
| Heat treatment | • Through-hardened • Induction-hardened • Case-hardened • Tempered |
| Dimensions | • Custom manufacturing based on drawings or samples • Freely definable dimensions for small and large knives • One-piece design up to 5,000 mm |
| Hardness | • Tailored to your application based on the material • Typical hardness ranges from approximately 54 to 64 HRC • Balanced ratio of wear resistance and toughness • Induction-hardened versions up to 5,000 mm • Versions available for hot and cold cutting applications |
| Cutting geometries | • Straight cutting edges • Single-sided or multi-sided chamfers • Custom geometries for specific applications |
| Coatings | • DLC (Diamond-Like Carbon) • TiN (Titanium Nitride) • Other coatings available upon request |
Replacement Blades and Blade Preparation
Depending on your needs, we can manufacture a new replacement blade for an existing machine or refurbish an existing used blade.

Replacement blades
New replacement blade for an existing machine
Manufacturing is carried out according to drawings, technical specifications, data sheets, or existing sample parts.
Knife Reconditioning
Technical Modification of an Existing Knife
Depending on its condition and design, a used industrial or machine blade can be reconditioned for further use.
Proven material selection for cutting processes
High-alloy steel
Cold work steel 1.2379 | AISI D2
PRÄZI Flachstahl® 1.2379 impresses with its toughness, wear resistance, low distortion and nitridability. Perfect for cutting and punching tools, shearing knives, trimming dies, cutting rollers and breakage-sensitive parts.
Cold-work steel 1.2363 | AISI A2
PRÄZI Flachstahl® 1.2363 offers high wear resistance, toughness, dimensional stability during heat treatment and good compressive strength. Ideal for cutting and punching tools, rollers, shear blades, thread rolling dies, embossing tools, calibration mandrels, measuring tools and plastic molds.
Cold work steel 1.2842 | AISI 02
PRÄZI Flachstahl® 1.2842 impresses with its outstanding dimensional stability, high edge retention and excellent wear resistance.
This cold work tool steel is ideal for jigs and fixtures, gauges, templates, rulers, punching tools, measuring tools, precision parts and guide rails.
Stainless steel 1.4112 | AISI 440B
PRÄZI Flachstahl® 1.4112 is a hardenable, easily machinable, polishable and corrosion-resistant stainless steel. Ideal for plastics processing, tools in the food industry, knives, cutlery, ball bearings and spray nozzles.
Optimize your cutting processes for long-term efficiency
We analyze your application and recommend the best solution.
Your expert in industrial machine knives
Please send us your documents. We will assess the technical feasibility and prepare a customized quote for you.

Your expert in industrial machine knives
Please send us your documents. We will assess the technical feasibility and prepare a customized quote for you.

FAQ
Here you will find answers to frequently asked questions.
How long do industrial machine knives last?
Service life depends heavily on the material, coating, and operating conditions. Choosing the right material and geometry can significantly extend service life.
What are the differences between various industrial knives?
The main differences lie in:
• Coating
• Cutting geometry
• Material
These factors determine performance in the respective application.
How long does delivery take?
Delivery time depends on the complexity and specifications of the order. We will typically provide you with a specific delivery date after receiving your request.
Can industrial knives be resharpened?
Yes, many industrial blades can be resharpened. This requires that the blade geometry be designed appropriately and that there be sufficient material reserve.