Worker safely cutting thick cardboard with SECUMAX 370 concealed blade safety knife

 

If you're managing a warehouse, distribution centre, or logistics operation in Australia, you know the challenge: cutting thick 3-ply cardboard safely. Traditional box cutters and utility knives with exposed blades get the job done—but at what cost?

Workplace cutting injuries are common across Australian warehouses and distribution centres. According to WorkSafe Queensland, almost one third of all injuries sustained by 15-24-year-olds are cuts from working with knives and cutting tools.

What if you could cut thick cardboard with a fully concealed blade safety knife—without compromising on cutting performance?

 

Why Exposed Blade Box Cutters Increase Workplace Safety Risks

Most warehouses still rely on traditional utility knives and exposed blade box cutters for cutting cardboard. It's become the default—"the way we've always done it."

But exposed blades create unnecessary risks:

  • Laceration injuries from accidental blade contact
  • Product damage when blades cut too deep
  • Higher injury rates with repetitive cutting tasks
  • Increased risk in fast-paced warehouse environments
  • Safety concerns with mixed experience levels across teams

Until recently, concealed blade safety knives were limited to 6-7mm cutting depth—insufficient for thick corrugated cardboard or 3-ply boxes. This forced a choice between maximum safety and practical cutting performance.

 

The SECUMAX 370: World's First 10mm Concealed Blade Safety Knife

The SECUMAX 370 is the world's first GS-certified safety knife that combines a fully concealed blade with 10mm cutting depth—powerful enough for 3-ply corrugated cardboard without exposing the blade.

This German-engineered safety knife delivers:

  • Variable cutting depth (6-10mm) for different cardboard thicknesses
  • Complete blade concealment—protects workers and products
  • TÜV GS safety certification for workplace compliance
  • Proven MARTOR reliability trusted in Australian warehouses

 

How to Choose the Right Safety Knife for Cardboard Cutting

Selecting the right safety cutter for your workplace starts with a proper risk assessment. Consider:

Material Thickness

Single-wall boxes? Double-wall? 3-ply corrugated cardboard? Match your cutting depth to your thickest regular material. The SECUMAX 370 handles up to 10mm—ideal for heavy-duty packaging.

Cutting Frequency and Speed

High-volume operations need safety knives that reduce fatigue. At just 60 grams and 163mm long, this cardboard cutter won't cause hand strain during full-shift use.

Workplace Safety Requirements

WorkSafe Australia guidelines recommend eliminating cutting hazards where possible. Concealed blade technology removes direct blade exposure—the most effective control method.

Team Experience and Training

Mixed skill levels? New workers? Safety knives with concealed blades provide built-in protection even when proper cutting technique isn't followed perfectly.

 

SECUMAX 370 Safety Knife Features and Specifications

Adjustable Cutting Depth (6mm-10mm)

The thumb-operated slider adjusts cutting depth on the fly. Cutting single-wall boxes? Set it to 6mm. Tackling 3-ply corrugated? Extend to 10mm. As depth increases, blade access widens—but the blade stays fully concealed inside the protective housing.

Heavy-Duty 0.63mm Blade for Thick Cardboard

Standard safety knife blades struggle with rigid cardboard and corrugated packaging. The SECUMAX 370 uses a reinforced 0.63mm blade—thicker and stronger for cutting firm materials without blade flex or breakage.

Built-in 6mm Tape Splitter

The blade head top functions as a dedicated adhesive tape cutter—perfect for cutting packing tape, strapping tape, and fiber-reinforced box tape. One tool handles both tape splitting and box cutting.

Concealed Blade Protection

The protective plastic housing keeps the blade hidden during piercing and slicing—protecting both workers and packaged goods. For additional safety, release the slider while cutting to keep the blade retracted even under pressure.

Ergonomic Ambidextrous Design

Suitable for both right- and left-handed workers. The slider moves smoothly with optimum grip texture. Tool-free blade changes via the blue change button minimize downtime and keep your team productive.

Sustainable Construction (60% Recycled Plastic)

Part of MARTOR's ECO product line with glass-fiber reinforced handles containing at least 60% recycled plastic—proving workplace safety and environmental responsibility work together.

 

Reduce Workplace Injuries with Concealed Blade Safety Technology

Switching from traditional box cutters to the SECUMAX 370 concealed blade safety knife delivers measurable safety improvements:

·       Lower Injury Rates and Workers Compensation Claims

MARTOR safety knives have helped Australian warehouses reduce cutting injuries by up to 70%. Fewer injuries mean lower workers compensation premiums, reduced lost-time incidents, and better safety audit outcomes.

·       Protect Products and Reduce Damage Claims

Concealed blades can't over-cut. The protective housing prevents accidental contact with packaged goods—reducing product damage during unpacking and cutting shrink wrap, pallet strapping, and packaging materials.

·       Maintain Productivity Without Safety Trade-Offs

The 10mm cutting depth handles heavy-duty corrugated cardboard efficiently. Workers cut faster with confidence, knowing the blade won't accidentally contact hands, arms, or products.

·       Comply with Australian Workplace Safety Standards

TÜV GS certification and concealed blade design align with WorkSafe Australia recommendations to eliminate hazards at the source. Safety knives demonstrate due diligence in workplace safety compliance.

 

Frequently Asked Questions: Safety Knives for Cardboard Cutting

What is a concealed blade safety knife?

A concealed blade safety knife keeps the cutting edge hidden inside a protective housing at all times—even during use. The blade never directly contacts skin or products, significantly reducing laceration injury risks compared to exposed blade box cutters.

Can concealed blade knives cut thick 3-ply cardboard?

Yes. The SECUMAX 370 is the first concealed blade safety knife with 10mm cutting depth—specifically designed to cut heavy-duty corrugated cardboard, double-wall boxes, and 3-ply packaging that previously required exposed blade utility knives.

How do safety knives reduce workplace injuries?

Safety knives use engineering controls—concealed blades, automatic retraction, and protective housings—to eliminate the hazard at the source rather than relying solely on worker training and PPE. This approach aligns with WorkSafe Australia hierarchy of controls.

What's the difference between a safety knife and a regular box cutter?

Traditional box cutters and utility knives have exposed blades that pose direct laceration risks. Safety knives incorporate blade guards, concealment, automatic retraction, or other protective features that reduce injury risk while maintaining cutting efficiency for cardboard, tape, shrink wrap, and packaging materials.

Are safety knives suitable for warehouse and logistics operations?

Absolutely. Safety knives are specifically designed for high-volume commercial environments—warehouses, distribution centres, logistics operations, retail stockrooms, and food production facilities. They're built for daily heavy-duty use while meeting Australian OH&S workplace safety standards.

 

Get the SECUMAX 370 Safety Knife for Your Workplace

Ready to reduce workplace cutting injuries without sacrificing cutting performance? The SECUMAX 370 concealed blade safety knife handles thick cardboard with German-engineered reliability trusted across Australian warehouses, distribution centres, and logistics operations.

View Full SECUMAX 370 Specifications and Pricing →

Contact our team to discuss which MARTOR safety knife is right for your specific cutting applications and workplace requirements.