18mm Hardware Utility Knife

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  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
  • CX-203 heavy-duty metal utility knife
18mm Hardware Utility Knife

CX-203 heavy-duty metal utility knife

1. Sturdy Metal Housing – Durable metal body for heavy-duty, long-lasting performance.
2. Heavy-Duty 18mm Blade – Rigid wide blade for powerful cuts on thick materials.
3. Non-Slip Rubber Grip – Textured insert ensures secure, comfortable handling.
4. Precision Lock Mechanism – Sliding lock holds blade firmly for wobble-free use.
5. Built-In Lanyard Hole – Convenient hole for easy tool belt attachment and portability.


Featuring a solid metal housing, the CX-203 utility knife boasts outstanding sturdiness for heavy-duty use and prolonged service life. Equipped with robust 18mm wide blade, it delivers strong cutting power to tackle thick materials with ease. The non-slip rubber grip offers comfortable and firm holding experience. Its precise sliding lock stably fixes the blade to ensure steady and shake-free operation. Built with a lanyard hole, it can be easily hung on tool belts for convenient carrying and quick access.

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Item No:

CX-203

Knife Size:

16.7×3.6cm

Feature:

Snap off blade

Knife Weight:

70g

Handle Material:

Metal

Blade Material:

SK Or #60 Carbon Steel

Blade Width:

18mm

Blade Thickness:

0.4-0.6mm

Knife 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-203 Apart for Heavy-Duty Metal Performance

The CX-203 heavy-duty metal utility knife is built for professionals who demand a rugged, durable cutting tool with a solid metal housing. 1. Sturdy Metal Housing – Durable metal body for heavy-duty, long-lasting performance. 2. Heavy-Duty 18mm Blade – Rigid wide blade for powerful cuts on thick materials. 3. Non-Slip Rubber Grip – Textured insert ensures secure, comfortable handling. 4. Precision Lock Mechanism – Sliding lock holds blade firmly for wobble-free use. 5. Built-In Lanyard Hole – Convenient hole for easy tool belt attachment and portability.

Sharp & Durable 18mm Blade

Equipped with a heavy-duty 18mm SK or #60 Carbon Steel blade (0.4-0.6mm thickness), it delivers powerful cuts through thick cardboard, industrial packaging, and tough materials. The rigid wide blade ensures long-lasting sharpness and reliable performance.

Sturdy Metal Housing & Non-Slip Grip

Featuring a solid metal housing, the CX-203 boasts outstanding sturdiness for heavy-duty use and prolonged service life. The non-slip rubber grip with textured insert offers comfortable and firm holding experience, reducing fatigue during extended tasks.

Precision Lock Mechanism

Its precise sliding lock stably fixes the blade to ensure steady and shake-free operation. The blade fully retracts into the metal housing when not in use, and the built-in lanyard hole allows easy attachment to tool belts for convenient carrying.

Customization

Make the CX-203 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 metal and plastic components. Standard stock includes silver and black metal finishes. Custom colors available for bulk orders to match your brand or safety 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 hardware and industrial markets.

LOGO

Logo Customization

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

On the Job

Where the CX-203 Earns Its Weight

Built for industrial-grade performance, the CX-203 excels in demanding environments where a reliable, heavy-duty metal cutting tool is essential.

Warehousing & Receiving

Warehousing & Receiving

Ideal for opening thick corrugated boxes, cutting strapping, tape, and shrink wrap. The solid metal housing and heavy-duty 18mm blade provide the power and stability needed for fast-paced warehouse operations.

Construction & Renovation

Construction & Renovation

Perfect for cutting drywall, insulation board, roofing materials, and flooring underlay. The non-slip rubber grip and precision lock mechanism provide secure, stable cutting on site.

Hardware & Trade Tools

Hardware & Trade Tools

A reliable choice for hardware stores, tool distributors, and trade professionals. The durable metal housing and lanyard hole make it a top-selling utility knife for demanding customers.

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 metal housing before releasing the lock.

02. Release the Lock

Disengage the precision sliding 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

— Thick corrugated cardboard
— Industrial packaging and strapping
— Drywall, insulation board and roofing felt
— Vinyl flooring, carpet and underlay
— Rope, tape and heavy shrink wrap

Better suited to a lighter knife

— Paper, photos and cardstock
— Delicate craft work and model building
— Thin plastic film and labels
— Precision trimming tasks

Common Questions

Questions People Actually Ask About the CX-203

Is this box cutter safe to carry in my pocket?

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Yes, the CX-203 features a safe retractable blade mechanism with a precision sliding lock. The blade fully retracts into the metal housing when not in use, ensuring safe storage in tool belts, pockets, or desk drawers without accidental exposure.

Can I use this for cutting heavy shipping boxes?

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Absolutely. The CX-203 is designed for heavy-duty tasks. Its 18mm wide, 0.4-0.6mm thick blade delivers powerful cuts through thick multi-layer corrugated cardboard, industrial packaging, and tough materials.

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 Heavy-Duty Metal Utility Knife?

Request a sample CX-203, full specifications, or a customization proposal for your product line.

Get CX-203 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-203 heavy-duty metal utility knife Factory and Custom CX-203 heavy-duty metal utility knife 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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