Cutting-Edge Precision

The world’s leading manufacturer of circular knives, knife holders, slitting systems and air shafts

Knife Holders

Setting the industry standard, DIENES knife holders are counted on for high-performance cutting across Converting industries.

Slitting Machines

With roots in blade manufacturing, DIENES knows slitting. We can help you minimize downtime with our intelligent control systems.


DIENES industrial cutting knives ensure superior quality and dimensional accuracy—and have been for over 100 years.


DIENES offers the highest-quality air shafts, custom-made to retrofit any application.

Why Dienes

Proven Performance

Trusted precision & durability

Custom-fit standard & individualized solutions

Innovative materials & processes that increase productivity

Slitting Academy provides on-site & virtual training

Quick-Set technology reduces downtime from hours to seconds

Market leading customer service with 24/7 support

Made & engineered in Germany & USA

Family-owned for over 100 Years

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Put Our Team to Work For You

Cutting-edge precision mindset to ensure superior performance for your slitting application
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Dienes Products

Industrial Cutting & Winding Tools

Custom Solutions

DIENES is the leader in making custom designs to meet our clients’ needs. Contact us to explore our custom knife holders and slitting systems.

Dienes Services

We’re Here For You

Rent a lab slitting machine testing


Gain unlimited access to countless precision knives and all available slitting methods with guidance from our experts.

Try a slitting machine


Test our knives and knife holders on your premises with a custom product assortment designed specifically for your needs.

Slitting Analysis

Slitting Analysis

Using Kaizen analysis, we record slitting technology data to turn weak points into strengths.

Slitting Academy

Slitting Academy

Deep dive training courses designed specifically for your company. Our experts can provide slitting technology know-how on site or virtually.

Sharpening, Repairs & Maintenance

We offer sharpening, repairs, & maintenance services to help you get the most use out of your DIENES products.

Dienes Contact

Get in Touch

Need more information or a custom solution?
Put our 100 years of experience to work for you.

Message a DIENES Expert

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