High Carbon Steel Box Cutters 18mm Self Retracting Pocket Knife
Professional-grade box cutters featuring high carbon steel blades for superior sharpness and durability. Ideal for cutting cardboard, packaging, plastic, leather, and more in industrial, warehouse, office, and home settings.
- High carbon steel (SK5) blades for maximum sharpness and longevity
- Zinc alloy handle with stainless steel head for durability
- Compact size (170×31×18mm) for comfortable handling
- Includes 1 installed blade plus 5 replacement blades
- Versatile trapezoidal blade shape for various cutting applications
- Lightweight design (115g) reduces hand fatigue
| Attribute | Specification |
|---|---|
| Blade Material | SK5 high hardness carbon steel |
| Blade Size | 61×19×0.6mm |
| Blade Width | 18mm (standard) or customizable |
| Handle Material | Zinc alloy with stainless steel head |
| Overall Dimensions | 170×31×18mm |
| Weight | 115g per knife |
| Blade Quantity | 1+5 pieces per knife |
| Certifications | BSCI, ISO, CE, ROHS |
- Blade Quantity: Single-pack, 3-pack, or 5-pack options
- Handle Design: Custom colors (black, red, blue)
- Branding: Company logo or name printing (MOQ applies)
- Blade Type: Standard or extra-sharp for heavy-duty tasks
- Packaging: Bulk or retail-ready blister packs
With over 15 years of experience in utility knife and garden tool manufacturing, we partner with global brands and maintain CE, UL, GS, BSCI, TUV, and ROHS certifications. Our strong production capacity ensures fast delivery, even for customized orders.
They maintain sharpness longer and handle tough materials like thick cardboard with ease.
We produce 9mm, 18mm (standard), and 25mm blades based on customer requirements.
Simple tool-free design allows for easy blade replacement.
Most models include a safety lock to prevent accidental opening.
Lightweight design with textured grip reduces hand fatigue during extended use.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.