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Challenge Machinery 1/4" (6.3 mm) cornering knife – precision-ground replacement blade for clean and accurate corner cuts on paper and card stock.
Challenge

Challenge 1/4" (6.3 mm) Cornering Knife

1/4" (6.3mm) 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 business days
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 business days

Details & specifications

The Challenge Machinery 1/4" Cornering Knife is a durable, precise cutting tool for clean 1/4" radius cuts. It is made for manual and hydraulic Challenge corner rounding machines and gives professional results in high-volume print finishing environments.

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

Features

  • Makes precise 1/4" (6.3 mm) corner radius cuts
  • Made for Challenge corner rounding machines
  • Works with manual and hydraulic equipment
  • High-quality steel construction for durability
  • Needs a matching 1/4" die for the best 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

  • Clean, uniform corners across a wide range of materials
  • Compatible with industry-standard Challenge rounding machines
  • High-quality tool for repeated professional use
  • Precise cuts with the correct die pairing

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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.