WORKPRO Cutter Knife Blades - 18 mm - 100 Pack

These WORKPRO 18 mm snap-off cutter knife blades are designed for professionals who demand precisi...

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JoybuyWorkpro Cutter Knife Blades 18 Mm Pack Of 100 For Professionals, Hardened & Extremely Sharp Replacement Blades Made Of Sk5, Snap-Off Blades For Carpet Knives, Cutter Knives, Includes 10 Independent
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Joybuy UKWorkpro Cutter Knife Blades 18 Mm Pack Of 100 For Professionals, Hardened & Extremely Sharp Replacement Blades Made Of Sk5, Snap-Off Blades For Carpet Knives, Cutter Knives, Includes 10 Independent
£3.99 delivery
£11.99
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Product Information

Full details

The WORKPRO 18 mm snap-off cutter knife blades are designed for construction professionals, crafters, and DIY enthusiasts who require consistent precision and long-lasting sharpness for heavy-duty cutting tasks. These blades offer the primary benefit of rapid edge renewal via eight snap-off segments, ensuring you always have a razor-sharp tool for materials like carpet, cardboard, and leather. A notable caveat is that while these blades are highly durable, the tempered SK5 steel can be brittle if twisted or subjected to significant lateral force during deep cuts.

All features

Model Part NumberW000107
BrandWORKPRO

Extended Product Information

FAQs

What material are these blades made of?

These blades are crafted from hardened SK5 alloy steel, which is tempered for extreme sharpness and longevity.

Will these fit my existing utility knife?

Yes, these are universal 18 mm blades compatible with most standard utility and craft knives.

How many segments does each blade have?

Each blade has 8 snap-off segments, giving you 8 fresh edges per blade.

How are the 100 blades packaged?

They come in 10 individual protective storage boxes, each containing 10 blades, complete with hanging loops.

Can I use these for heavy-duty construction?

Yes, they are designed for demanding professional tasks including cutting cardboard, carpet, leather, and packaging.

Are there safety precautions for changing segments?

Yes, always point the blade away from your body and use a proper snapper tool to break off the segment safely.

Troubleshooting

Blade segment is difficult to snap off

Ensure you are using a dedicated blade snapper tool or the integrated slot on your knife; do not use pliers which may cause the blade to shatter.

Blade feels loose in the handle

Check that the blade is fully engaged with the knife's sliding locking mechanism and that the knife handle itself is not damaged.

Visible rust on blade surface

Clean the blade with a fine-grit abrasive pad and apply a thin layer of machine oil to prevent further corrosion.

Pros and Cons

Pros

  • High-grade SK5 steel maintains sharpness longer than standard blades
  • Large 100-count volume provides excellent value for frequent users
  • Snap-off segments minimize downtime on the job site
  • Individual protective cases prevent accidental cuts and keep blades organized
  • Universal fit ensures compatibility with most existing utility knife handles

Cons

  • Snap-off design can be prone to snapping if used with too much side pressure
  • Requires proper disposal of used segments to prevent injury
  • Not intended for prying or heavy-duty scraping applications

Setup, Compatibility & Care

Compatibility is straightforward as these blades adhere to the universal 18 mm standard, fitting almost all standard utility knives. To load, slide the existing blade out of your knife handle until it reaches the removal point, insert the new WORKPRO blade into the track, and ensure the locking mechanism clicks securely. For maintenance, keep the blades dry to prevent surface oxidation. If used in high-moisture environments, a light wipe with a silicone-based lubricant can help protect the steel. Always replace the protective cap when storing the blade boxes to prevent the edges from dulling against other tools.

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