Parison Cutters / Stab Knives

Ensure a precise cut with Fernite’s range of precision-manufactured parison cutters 

Parison cutter knives are commonly 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 stab knives and parison cutters and blades for thermoplastics 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 machine. 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, as well as the all-important lead time.