Challenge 1/4" (6.3 mm) Cornering Knife

The Challenge Machinery 1/4" Cornering Knife is a durable and precise cutting tool engineered for creating clean 1/4" radius cuts. Designed for use with both manual and hydraulic Challenge corner rounding machines, this knife ensures professional results in high-volume print finishing environments.

For best performance, pair with a matching 1/4" cornering die (sold separately).

Key Features

🔷 Delivers precise 1/4" (6.3 mm) corner radius cuts
🔷 Built for compatibility with Challenge corner rounding machines
🔷 Supports both manual and hydraulic equipment
🔷 Engineered from high-quality steel for durability
🔷 Requires matching 1/4" die for optimal cutting results

Specifications

Applications

📄 Rounded corners on business cards and flyers
📚 Booklets, manuals, and bound reports
📦 Product tags, ID cards, and packaging inserts
🖼 Laminated signage and presentation materials

Benefits

✅ Produces clean, uniform corners across a wide range of materials
✅ Compatible with industry-standard Challenge rounding machines
✅ High-quality tool built for repeated professional use
✅ Ensures precise cuts with the correct die pairing