Paper Cutter Shop: Lassco CR-20 Corner Cutter
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Lassco CR-20 Corner Cutter
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Lassco CR-20 Corner Cutter

Lassco CR-20 Corner Cutter / Corner Rounder

The Lassco CR-20 is a Desk Top Corner Cutter/Corner Rounding machine designed to handle paper and plastic products. It is used for rounding edges of paper stock. The maximum cutting capacity of this Corner Rounder / Corner Cutter is a 1/2 inch of bond paper stock. The General Rule is the smaller the radius of the cutting unit - the thicker the material you are able to cut.

The CR-20 corner rounder is manually operated using a hand lever that causes the cutting head to descend and shear off the edges of the paper. A built-in table leaf extends to accommodate 8.5 x 11 inch or larger sheets. When ordering, you have a choice of one (1) Cutting Unit in 1/8", 1/4", 3/8" or 1/2 inch sizes. Larger sizes are also available. A 1/4" Cutting Unit is included unless otherwise specified. It accepts Standard and Special size Cornerrounder cutting units. A different size cutting can be specified in the "notes" field on the online order form. All cutting tools have 1/2 inch cutting depth capacity.


  • Designed to handle paper and plastic products
  • Handles up to a 1/2" of stock per cut
  • Shear action cutting
  • Its 5" x 10 1/2" size makes it easy for use all around any office or factory
  • Unbreakable plastic top-plate


  • Table size: 5" x 10-1/2"
  • Actual weight: 3 lbs.
  • Shipping weight: 4 lbs.
  • Ships via: UPS

    $3.00 Handling Charge

    List Price: $169.00
    Sale Price: $147.90

  • Lassco CR-20 Corner Cutter
    Specification Value
    Max. Cutting Depth .5 in.
    Max. Cutting Radius .5 in.
    Warranty All Lassco products with the exception of consumables are warranted to the original purchaser against defects in materials and workmanship for a period of one (1) year from the date of shipment when used under normal operating conditions. This warranty includes parts and labor.

    Customer Reviews

    Reviewed On: 11/28/2008 Reviewed By: David Rating: 4 / 5
    This model CR-20 appears near the bottom of the list as far as quality, size and features are concerned - unless you consider the ultra-cheap craft store type of corner rounder that is made of plastic and sheet metal. At about $150-175 retail, the CR-20 is a serious purchase for the small office or home office. I donít think you'll find a rounder for any less that will give good service if you are handling more than twenty pages a day. I have found it to be well made and functional, though it took awhile to get the paper guides properly aligned (they slide in and out under light tension from their attaching rivets) and there is a tendency for the bottom sheets in a stack more than 1/4" deep to migrate away from the cutter. I combat this by holding the stack firmly and, if necessary, flipping it over for a second pass. This tendency is more pronounced with thinner sheets; cardstock is no problem.

    Need Help? Call 1-866-432-0042