When it comes to precision cutting solutions, tray knives are an essential tool for industries ranging from food packaging to pharmaceuticals. At Carbonomics, we’ve spent over 25 years perfecting the art of manufacturing high-performance tray knives that meet the rigorous demands of modern production lines. Let’s dive into what makes our tray knives stand out and why they’re trusted by OEMs and end-users worldwide.
What Are Tray Knives?
Tray knives are specialized cutting tools designed for sealing and cutting trays in packaging applications. They are commonly used in industries such as:
- Food Packaging: Dairy, meats, poultry, seafood, ready meals, fruits, and vegetables.
- Medical & Pharmaceutical: Ensuring precision and hygiene in packaging.
- Plastic Products: Cutting and sealing plastic trays for various applications.
These knives are engineered to deliver razor-sharp cuts, ensuring clean seals and efficient production processes.
Why Choose Carbonomics Tray Knives?
At Carbonomics, we don’t just manufacture tray knives—we craft precision-engineered solutions tailored to your specific needs. Here’s what sets our tray knives apart:
1. Unmatched Quality
Our tray knives are made from high-grade stainless steels, including D2, M2, O1, 440b, 410ss, 420ss, and 304ss. With options for heat treatment and coatings like TiN or Teflon®, we ensure durability and performance in even the most demanding environments.
2. Custom Solutions
We understand that no two production lines are the same. That’s why we offer bespoke designs, modifying and replicating OEM blades to meet your unique requirements. Whether you need serrated, beveled, or scalloped edges, we’ve got you covered.
3. Sheffield-Based Manufacturing Excellence
All of our tray knives are proudly manufactured at our state-of-the-art facility in Sheffield, UK—the heart of the steel industry. Since 1999, we’ve combined traditional craftsmanship with modern technology to produce precision-engineered blades that meet the highest standards of quality and performance. Our central location allows us to efficiently serve customers across the globe while maintaining the exceptional craftsmanship Sheffield is known for.
4. Fast Turnaround Times
We know that downtime is costly. That’s why we offer expedited services for urgent requirements, with many common blades available for same-day shipping. For custom orders, our standard lead times are designed to keep your operations running smoothly.
5. Meticulous Quality Control
Every tray knife undergoes rigorous inspection to ensure it meets our exacting standards. From optical comparators to coordinate measuring machines, we use advanced tools to deliver precision you can rely on.
Applications of Tray Knives
Our tray knives are compatible with a wide range of machines. They are ideal for:
- Multi-Head Tray Sealers: Ensuring consistent, high-speed sealing for food and medical packaging.
- Cup and Tray Sealing: Delivering clean, precise cuts for a variety of tray materials and sizes.
Sustainability Through Re-Sharpening
At Carbonomics, we’re committed to sustainability. Our re-sharpening service extends the life of your tray knives, reducing waste and lowering your blade spend. It’s just one more way we help you cut costs—literally.
Partnering for Success
Since 1999, we’ve partnered with leading OEMs and end-users to deliver cutting-edge solutions that drive efficiency and innovation. Our tray knives are trusted by global leaders in food processing and packaging, and we’re proud to be a part of their success stories.
Ready to elevate your cutting solutions? Contact our team today to learn more about our tray knives and how we can help optimize your production line.


