3/8" (9.5 mm) Cornering Knife
3/8" (9.5mm) radius cornering knife for Challenge corner cutters. Precision replacement tooling from Mid-State Litho — authorized Challenge dealer with support.
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Details & specifications
The Challenge Machinery 3/8" Cornering Knife is a precision blade designed for accurate, clean radius cuts in finishing applications. Compatible with both manual and hydraulic Challenge corner rounding machines, this knife is essential for producing crisp 3/8" rounded corners on a wide range of printed materials.
Pair with a matching 3/8" die to ensure optimal performance and consistent results.
Key Features
🔷 Produces precise 3/8" (9.5 mm) corner radii
🔷 Engineered for Challenge Machinery corner rounders
🔷 Compatible with hydraulic and manual machines
🔷 High-quality steel construction for long-lasting use
🔷 Designed to be used with matching 3/8" die
Specifications
| Specification | Detail |
|---|---|
| Radius Size | 3/8" (9.5 mm) |
| Compatibility | Challenge cornering machines |
| Machine Types | Manual and hydraulic |
| Component Type | Cornering knife (blade only) |
| Required Pairing | Matching 3/8" die (sold separately) |
Applications
📄 Rounded edges on business cards and postcards
📚 Booklets and bound documents
📦 Packaging materials and tags
🖼 Laminated sheets, signs, and ID cards
Benefits
✅ Delivers consistent, professional corner cuts
✅ Compatible with a wide range of Challenge machines
✅ Helps maintain quality across high-volume finishing jobs
✅ Durable design minimizes replacement frequency
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.
