Best Coroplast Cutters

Updated March 2020
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom Line
Pros
Cons
Best of the Best
Saw Trax CCD4 Coro-Claw 4mm Coroplast Cutter
Saw Trax
CCD4 Coro-Claw 4mm Coroplast Cutter
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Bottom Line

A great basic cutter that's good for cutting single coroplast layers with the flutes. It's not intended, however, for cutting across the flutes.

Pros

Get a better grip with this ergonomic handle design. Cuts easily along flutes as well as full or partial sheets. Easily makes an inside or outside bend. Can make a box or column by cutting three corners. Makes it easy to cut straight.

Cons

Designed for cutting with the flutes, not across flutes. Does not work as well going through double layers.

Best Bang for the Buck
OLFA 9021US CL 18mm Heavy-Duty Utility Knife with 90 degree Cutting Base
OLFA
9021US CL 18mm Heavy-Duty Utility Knife with 90 degree Cutting Base
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Bottom Line

This versatile utility knife cuts coroplast as well as a variety of other media, too.

Pros

Utility knife cuts coroplast, ceiling tile, corrugate, gator board and foam board. Handle made of high-impact ABS with built-in staple remover. Ratchet-wheel blade lock allows variety of blade positioning. Tool-free blade change. Comfortable to use, versatile.

Cons

The cutting guide is not terribly useful. Some found the blades were not sharp enough to cut certain materials.

B Belk #1 Thin Card Knife Carbon Black Miniature Hobby Craft Folding Knives
B Belk
#1 Thin Card Knife Carbon Black Miniature Hobby Craft Folding Knives
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Bottom Line

This multipurpose knife is thin enough to slip in a wallet, so it's always ready when you need it.

Pros

Blade is thinner than 2 credit cards. Measures 2.8" when closed. Titanium carbon blade cuts cardboard, paper, plastics, coroplast, foam board, gator board, wood, film and acetate. Ballchain and hanging hole for convenient neck wear. Recessed finger grooves.

Cons

Good mostly for smaller jobs, not heavy duty use.

SDI Corp SDI-5421 Snap-off Utility Knife
SDI Corp
SDI-5421 Snap-off Utility Knife
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Bottom Line

This handy utility knife includes a screw blade-locking mechanism that ensures the blade will not move during use.

Pros

Stainless steel blade channel. Solid metal blade casing and finger lock. Intended for cutting shim, coroplast, wire form, weight board, balsa wood and other media. Screw blade-locking mechanism secures blade while cutting. Locking mechanism withstands up to 44 pounds of pressure. Grooved plastic body for comfort. Comes with 12 replacement 18mm blades.

Cons

Locking mechanism gets in the way during light, quick use.

NT Cutter PRO Auto-Lock Stainless-Steel Utility Knife
NT Cutter
PRO Auto-Lock Stainless-Steel Utility Knife
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Bottom Line

A knife both righties AND southpaws can use. It's good for making straight cuts in coroplast and other corrugated media, but for angles and curves, consider another cutter.

Pros

Rust-resistant stainless steel snap-off blade knife. Robust automatic blade lock. Designed for both right and left-handed use – lefties should just install the blades upside down for reverse use. Lightweight, slim and comfortable to use.

Cons

The blades that come with this tool could be better; consider replacing them with something higher quality when you are done with the initial set.

Why trust BestReviews?
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
How we decided

We purchase every product we review with our own funds — we never accept anything from product manufacturers.

26 Models Considered
7 Hours Researched
1 Experts Interviewed
129 Consumers Consulted
Zero products received from manufacturers.

We purchase every product we review with our own funds — we never accept anything from product manufacturers.

A reliable cutting tool for coroplast, or corrugated plastic, can provide clean, straight cuts with precision. Coroplast cutters come in several different designs, from snap-off knives to looped handle designs to basic folding knives. Any coroplast cutter can handle straight lines, but some are better suited for cutting curves, though this requires a steady hand and strong wrist. Some knives are best for cutting in the same direction as the flutes and may struggle to cut across flutes. Built-in cutting guides can be useful, but their practicality may vary. Many cutters have adjustable blades that allow you to achieve the desired length for different material thicknesses.

The team that worked on this review
  • Kristin
    Kristin
    Writer
  • Melinda
    Melinda
    Web Producer
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Saw Trax

CCD4 Coro-Claw 4mm Coroplast Cutter

Saw Trax

CCD4 Coro-Claw 4mm Coroplast Cutter

A great basic cutter that's good for cutting single coroplast layers with the flutes. It's not intended, however, for cutting across the flutes.

$24
×

OLFA

9021US CL 18mm Heavy-Duty Utility Knife with 90 degree Cutting Base

OLFA

9021US CL 18mm Heavy-Duty Utility Knife with 90 degree Cutting Base

This versatile utility knife cuts coroplast as well as a variety of other media, too.

$11
×

B Belk

#1 Thin Card Knife Carbon Black Miniature Hobby Craft Folding Knives

B Belk

#1 Thin Card Knife Carbon Black Miniature Hobby Craft Folding Knives

This multipurpose knife is thin enough to slip in a wallet, so it's always ready when you need it.

$19
×

SDI Corp

SDI-5421 Snap-off Utility Knife

SDI Corp

SDI-5421 Snap-off Utility Knife

This handy utility knife includes a screw blade-locking mechanism that ensures the blade will not move during use.

$5
×

NT Cutter

PRO Auto-Lock Stainless-Steel Utility Knife

NT Cutter

PRO Auto-Lock Stainless-Steel Utility Knife

A knife both righties AND southpaws can use. It's good for making straight cuts in coroplast and other corrugated media, but for angles and curves, consider another cutter.

$7

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