What Are Durham Duplex Machine Knives?
When manufacturers need precision cutting performance, durability, and reliability, they turn to Durham Duplex Machine Knives.
For more than a century, Durham Duplex has been recognised as a global leader in the design and manufacture of high-performance machine knives, industrial razor blades, and precision cutting solutions for industries worldwide. Based in Sheffield, England, the historic heart of British steel engineering. Durham Duplex continues to supply advanced industrial blades trusted across food processing, packaging, converting, recycling, plastics, and medical sectors.
But what exactly are Durham Duplex machine knives, and why are they trusted by manufacturers around the world?
Who Is Durham Duplex?
Durham Duplex is a leading UK manufacturer of industrial machine knives and precision-engineered cutting blades.
Founded on decades of engineering expertise and innovation, the company specialises in producing both standard and custom-made machine knives designed to deliver maximum performance, efficiency, and durability in demanding industrial environments.
Durham Duplex manufactures machine knives for a wide range of industries, including:
- Food processing
- Packaging machinery
- Film and foil converting
- Recycling and waste management
- Plastics manufacturing
- Meat and poultry processing
- Industrial processing applications
Their reputation has been built on precision engineering, premium materials, and long lasting blade performance.

What Are Machine Knives?
Machine knives are industrial cutting blades used within manufacturing and processing equipment to cut, slit, trim, slice, perforate, or process materials with high accuracy.
Unlike standard cutting tools, industrial machine knives are specifically engineered for:
- Continuous production environments
- High-speed machinery
- Precision cutting applications
- Long operational life
- Reduced downtime
- Consistent cutting quality