Challenge 1/4" (6.3 mm) Cornering Knife
Challenge Machinery 1/4" (6.3 mm) Cornering Knife is most commonly used with corner rounding machines. The hydraulic & manual rounders use the same dies.
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Details & specifications
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
| Specification | Detail |
|---|---|
| Radius Size | 1/4" (6.3 mm) |
| Compatibility | Challenge cornering machines |
| Machine Types | Manual and hydraulic |
| Component Type | Cornering knife (blade only) |
| Required Pairing | Matching 1/4" die (not included) |
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
We deliver it, install it, train your team and keep it running.
This is not a drop-ship. Our factory-trained technicians install on site, train your operators, and back it with same-day and next-day service across Michigan and the Great Lakes.
Install & train
On-site setup and operator training included.
Same / next-day service
Fast response across the Great Lakes.
Precision machining
Replacement parts fabricated in-house.
Financing
Lease and purchase options available.
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Pair your equipment with the supplies and finishing gear that complete the workflow.
