18mm Stationery Utility Knife

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  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
  • CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade
18mm Stationery Utility Knife

CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade

1. Sleek & Practical Design – Ideal for various cutting tasks.
2. Compact & Lightweight – Space-saving and easy to carry.
3. Smooth Sliding Control – Effortless blade length adjustment.
4. Precise Cutting Performance – Suitable for both detailed and general cutting.
5. User-friendly Operation – Easy to use even for beginners.

The CX-918 utility knife features a sleek design and robust functionality, it's an optimal solution for diverse cutting tasks. Its compact and lightweight construction enables seamless storage in desk drawers, student backpacks, or small carry bags—occupying minimal space while ensuring instant accessibility for cutting needs. The blade extension mechanism operates with smooth precision, allowing effortless adjustment of blade length via a gentle push. This ensures precise control over both delicate cutting and larger-scale applications, making it highly intuitive even for first-time users.

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Item No:

CX-918

Knife Size:

15x3.7cm

Feature:

Snap off blade

Knife Weight:

26.6g

Handle Material:

ABS/PS/PP

Blade Material:

SK Or #60 Carbon Steel

Blade Width:

18mm

Blade Thickness:

0.4-0.6mm

Razor Color:

Cusomized

OEM/ODM

Available

30+
Years Manufacturing Experience
OEM & ODM
Acceptable
0.4-0.6mm
Blade Thickness
18mm
Blade Width
Key Advantages

What Sets the CX-918 Apart for Smooth, Effortless Cutting

The CX-918 auto-lock utility knife is designed for users who want a sleek, practical, and easy-to-use tool for various everyday cutting tasks. 1. Sleek & Practical Design – Ideal for various cutting tasks. 2. Compact & Lightweight – Space-saving and easy to carry. 3. Smooth Sliding Control – Effortless blade length adjustment. 4. Precise Cutting Performance – Suitable for both detailed and general cutting. 5. User-friendly Operation – Easy to use even for beginners.

Sharp & Durable 18mm Blade

Equipped with a heavy-duty 18mm SK or #60 Carbon Steel blade (0.4-0.6mm thickness), it delivers clean, efficient cuts on paper, cardboard, and various daily materials. The wide blade ensures long-lasting sharpness for general and detailed cutting tasks.

Ergonomic & Compact Handle

Designed with a sleek and lightweight profile (15×3.7cm, only 26.6g), it enables seamless storage in desk drawers, student backpacks, or small carry bags. The ergonomic ABS/PS/PP handle reduces hand fatigue during extended use.

Auto-Lock & Smooth Slider

The blade extension mechanism operates with smooth precision, allowing effortless adjustment of blade length via a gentle push. The auto-lock system securely holds the blade in place, ensuring precise control over both delicate cutting and larger-scale applications.

Customization

Make the CX-918 Your Own

As the direct manufacturer, we provide extensive customization options to help you create a differentiated product for your market.

Color Customization

Full color matching across the plastic handle and components. Standard stock includes black, blue, and orange. Custom colors available for bulk orders to match your brand or market requirements.

Packaging Customization

Full-color printing on blister card, hang-tag, or bulk carton packaging. Structural design support available for private-label programs tailored to office, retail, and stationery markets.

LOGO

Logo Customization

Handle imprinting or pad printing on the body, with brand design support for wrapper and outer packaging. Minimum quantities vary by method.

On the Job

Where the CX-918 Earns Its Weight

Built for smooth and effortless cutting, the CX-918 excels in settings where a reliable, user-friendly tool is essential.

DIY Projects

DIY Projects

Ideal for hobbyists and crafters to cut paper, cardboard, and materials with precise control. The smooth slider and auto-lock mechanism offer safety and accuracy during creative tasks.

Office Use

Office Use

A practical desk tool for opening mail, cutting paper, and handling shipping packages. Its compact profile fits easily into pencil cases or desk drawers without taking up space.

School

School Projects

A safe and reliable tool for students working on art projects, cardboard crafts, and classroom tasks. Its lightweight design is easy to handle while the auto-lock ensures secure operation.

When the Edge Gives Out

Replacing the Blade Without Stopping the Job

The snap-off blade system makes it easy to get a fresh edge in seconds. Here's the sequence.

01. Retract Fully

Slide the blade fully back into the housing before releasing the lock.

02. Release the Lock

Disengage the auto-lock mechanism to access the blade segments.

03. Snap the Worn Tip

Snap off the dulled segment along its scored line, away from your hand.

04. Advance a Fresh Edge

Slide the blade forward to expose a new sharp edge and re-lock the mechanism securely.

05. Discard Properly

Wrap the snapped-off tip and dispose of it in a puncture-resistant container.

Before You Buy

What This Knife Cuts Well — and What It Doesn't

Matching the tool to the material avoids both wasted cuts and wasted money on the wrong knife.

Handles well

— Paper, cardboard and packaging
— Plastic sheets and film
— Tape and labels
— Light office and household tasks
— Various daily cutting tasks

Better suited to a heavier knife

— Multi-layer corrugated cardboard
— Vinyl flooring and underlay
— Drywall and insulation board
— Rope, strapping, and heavy tape

Common Questions

Questions People Actually Ask About the CX-918

Is this box cutter safe to carry in my pocket?

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Yes, the CX-918 features a safe retractable blade mechanism with an auto-lock. The blade fully retracts into the housing when not in use, ensuring safe storage in pockets or desk drawers without accidental exposure.

Can I use this for cutting heavy shipping boxes?

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It is designed for versatile, everyday tasks such as cutting paper, cardboard, and regular packaging. For heavy multi-layer shipping boxes, we recommend a heavier 18mm utility knife with a thicker blade.

Is the blade replaceable?

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Yes, the 18mm blade is segmented with pre-scored lines. When dull, simply snap off the worn segment along the scored line to reveal a fresh, sharp edge.

How can I get a free sample?

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Before placing an order, we can send you a sample of any in-stock model. Simply let us know which specific model you'd like to test.

Do you offer custom packaging services?

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We offer OEM & ODM services and provide free packaging design support for our customers.

What is your lead time?

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Sample orders: 1–5 working days
Standard MOQ bulk orders: 15 working days
Full 40HQ container orders: 25 working days
Custom packaging requires an additional 15 working days for packaging material production.

What after-sales service do you provide?

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We guarantee that all products undergo strict quality inspection before leaving the factory. If you receive a utility knife with a manufacturing defect — such as the blade failing to lock, the handle cracking, or sticking during sliding — please contact our after-sales team promptly and we will provide a resolution within 48 hours.

How can I become your brand agent?

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Absolutely. If your annual sales reach USD 500,000, you'll qualify to become our exclusive regional agent and enjoy special agent pricing discounts.

Are you a manufacturer or a trading company?

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We are an integrated factory combining manufacturing and export trading, with more than 30 years of professional experience in hardware knife production. We can also source matching accessories and complementary products for clients, providing one-stop procurement support.

Need a Smooth and Effortless Auto-Lock Utility Knife?

Request a sample CX-918, full specifications, or a customization proposal for your product line.

Get CX-918 Samples
About Us
Ningbo Chuangxin Cutting-Tool Manufacture Co., Ltd.
Ningbo Chuangxin Cutting-Tool Manufacture Co., Ltd. was established in 1993. It's an industry and trade enterprise specializing in producing disposable razors and utility knives for more than 30 years. The company covers an area of more than 20 acres, with a plant area of 20,000 square meters. The company has more than 100 employees and an experienced professional and technical team that integrates R&D, design, manufacturing, production, sales, and service.
Ningbo Chuangxin Cutting-Tool Manufacture Co., Ltd. is China CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade Factory and Custom CX-918 Auto-Lock Utility Knife with 18mm Snap-Off Blade Suppliers. We have been committed to the research development, and production of razor products for many years. "VIVAC" is our brand in the field of razors. In addition, we provide more than 300 types of razor products, including single-layer, two-layer, three-layer, four-layer, five-layer, and six-layer blades. Multi-purpose utility knives, including the field of office stationery and hardware tools, have made us active in the international market. So far, our products have been exported to about 100 countries around the world, and our market share has continued to expand. With the support of stable quality and a good service team, we also maintain a stable partnership with major supermarkets.
In addition, the company has a professional R&D team with strong development capabilities. We have a complete quality inspection team to make the quality more stable. We have never stopped developing new technologies for the convenience of our customers and continue to work hard to develop environmentally sustainable products.
Certificate of Honor
  • CE
  • ISO 9001
  • BSCI
  • FDA
  • MDR
  • REACH
  • ROHS
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