Parison Knives and Blades for the Thermoplastic Molding

High Quality Parison Knives and Blades for the Blow Moulding Process

Stab knives are an essential part of the plastic bottle manufacturing process. Fernite manufactures a wide variety of blades to suit all production processes.

Ensure a precise cut with Fernite’s range of precision-manufactured parison knives and blades

Parison knives are known as stab knives, jab knives, trim knives and cut-off knives, and are an essential component in the blow moulding process.

Fernite knives are manufactured in the UK at our ISO9001:2015 Certified Sheffield factory. We only source high-quality raw materials, and we use the very latest advanced manufacturingprecision ground for exceptional cutting performance.

With decades of experience in manufacturing parison knives and blades for thermoplastic operations, Fernite provides an efficient, reliable, knowledgeable, and friendly service to the plastics industry.

Our knives can be manufactured to your exact specifications, guaranteeing excellent performance in all types of blow moulding machines. We also hold an extensive range of drawings for all types of machines, including: Battenfield, Bekum, Serta, and KEB.

Every blade we manufacture is made in the UK in our Sheffield factory – giving us complete control over the entire process from specification and design to the quality of the finished product, and lead time.

Parison and Stab Knives for thermoplastics blow moulding

Stab Knives and Parison Blades for thermoplastic moulding
Blades to fit any machine type – with custom options available
Premium ‘Made in Sheffield’ quality

Coatings available

To maintain the sharpness of the cutting edge and resist corrosive substances, stab knives and parison blades can be coated. The alternative solution is to use stainless steel during manufacturing.

Size reduction solutions

For efficient size reduction of plastics, Fernite of Sheffield are UK manufacturers of granulator blades, offering world-leading quality and a friendly, professional service.

We have a huge range of drawings for all major manufacturers, plus the ability to manufacture bespoke blades.

Fernite also supply pelletizer / die face cutter blades for the masterbatch process. All common types supplied, Erema, Battenfield, Buss, Munchy, Beringer, Alpina and many more.