Rotating Circular Punch Knife – EP 03

The EP 03 rotary sample knives have been specifically designed for the production of circular test specimens from elastomers for material testing applications.

Precision & Efficiency for Various Testing Methods

Minimizes concave cross-section geometries – Thanks to extremely sharp, rotating blades
Ideal for demanding tests, such as:
🔹 Compression set testing
🔹 Stress relaxation tests under compression
🔹 Abrasion testing

High-Quality Design & Application

🔹 Made from specially ground, hardened steel for maximum durability
🔹 Designed for use in stationary drilling machines with a soft base material
🔹 Optimal results when lubricating the sample material with ethanol or propanol

Precision for the highest demands – discover the EP 03 circular punch knife!

📩 Contact us for more information!

The rotary cutters are available in three different sizes:

EP 03-10 Rotary cutter Ø 10 mm

EP 03-13 Rotary cutter Ø 13 mm (according to ISO 815)

EP 03-16 Rotary cutter Ø 16 mm (according to ISO 4649)