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Holiday Special Cutting Blade Challenge 37" 370xg High Speed Steel Kn34450 I 49055 Tool [k6jKmOS7]

$63.99 $204.99 -69%

  We carry one of the largest selection of replacement cutting blades for your paper cutter or guillotine. In stock and usually available to ship same day our replacement paper cutter knives are Diamond Cut®, which ensures extreme precision and accur

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We carry one of the largest selection of replacement cutting blades for your paper cutter or guillotine. In stock and usually available to ship same day our replacement paper cutter knives are Diamond Cut®, which ensures extreme precision and accuracy which exceed OEM specifications. They are available in either a standard inlay steel or high speed steel option. The economical standardly inlay blades are made of a 50/50 composition of standard grade steel and high alloy steel ensuring strength at a lower price point. The high speed steel blade is made of a 50/50 blend consisting of 1-part standard grade steel and 1-part high speed steel, which includes 18% T1 German tungsten. HSS blades are fused together in a way that produces an extremely wear-resistant blade that will last 3-5 times longer than conventional blades, on average.

Do not allow a dull blade to slow down production, diminish the quality of your finished product and cause undue wear and tear on your Paper Cutter. A simple and cost effective way to to protect your equipment is to replace the blade at regular intervals. Order online or give us a call if you do not see your specific cutting blade listed.

Machine: Challenge 37" 370XG

Blade Type High Speed Steel (HSS)

Blade Size: 43.250" x 4.500" x 0.375" / Holes: 18

KN34450 / 49055

What Our Customers Say

January 12, 2026

Absolutely no complaints!

The performance is truly top-notch.

- Taylor G..

January 12, 2026

Absolutely no complaints!

This is a solid product. Very high quality.

- Damon Q..

January 12, 2026

Absolutely no complaints!

I'm extremely happy with this very good purchase.

- Rose N..

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