Challenge

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.

$346.00 USD
Tax-exempt? Apply once, check out tax-free
Est. shipping: Ships in 1-2 days if in stock
Parcel shippingShips by ground carrier.
Talk to a finishing expertReal specialists by phone.
Financing availableLease & purchase options.
Factory-trained install & serviceWe deliver, install & support.
Lead timeShips in 1-2 days if in stock

Details & specifications

The Challenge Machinery 3/8" Cornering Knife is a precision blade for accurate, clean radius cuts in finishing applications. It is compatible with manual and hydraulic Challenge corner rounding machines. You need this knife to make crisp 3/8" rounded corners on a wide range of printed materials.

Use it with a matching 3/8" die for the best performance and consistent results.

Features

  • Makes precise 3/8" (9.5 mm) corner radii
  • Made for Challenge Machinery corner rounders
  • Compatible with hydraulic and manual machines
  • High-quality steel construction for long-lasting use
  • Made for use with a 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

  • Consistent, professional corner cuts
  • Compatible with a wide range of Challenge machines
  • Helps keep quality consistent across high-volume finishing jobs
  • Durable design, so replacement is less frequent
Every machine, fully supported

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.