Safety Knife Maintenance Guide: Keep Your Blade Sharp and Safe

A sharp blade is a safe blade—but only if it's maintained correctly. Safety knives are built for protection and precision, but like any tool, they need regular care to stay effective. In this guide, we break down how to keep your safety knives in top condition, helping you protect your team and your productivity.

Why Maintenance Matters

Poorly maintained blades can:

• Dull quickly, increasing the risk of slips and injuries
• Damage materials or packaging
• Lead to unnecessary replacements and costs

Regular maintenance isn't just good housekeeping—it’s a critical part of health and safety compliance.

1. Routine Inspection

Check safety knives before each shift or use:

• Look for nicks, rust, or damage to the blade
• Ensure retractable or concealed mechanisms are working properly
• Check handles for cracks, loose screws, or wear

Tip: Create a quick checklist for daily toolbox talks or shift handovers.

2. Blade Replacement

Don’t wait until a blade is completely blunt. Dull blades require more force, which leads to accidents.

• Follow manufacturer guidelines for replacement frequency
• Use proper tools or gloves when changing blades
• Dispose of old blades in a sharps container or blade bank

For snap-off blades: Always snap off sections safely and discard segments immediately.

3. Cleaning and Storage

Keep blades clean and dry to prevent corrosion, especially in high-humidity or food-handling environments.

• Wipe down metal parts after use
• Avoid soaking unless specified by the manufacturer
• Store in dry, secure, and clearly labelled locations

For Slice ceramic blades: These are rust-proof and require minimal cleaning—just a quick wipe will do.

4. Training and Accountability

Equip staff with the know-how:

• Train employees on proper blade use, replacement, and disposal
• Assign responsibility for routine checks
• Encourage reporting of damaged or unsafe tools

5. Use the Right Blade for the Job

Maintaining a blade goes hand-in-hand with choosing the right one in the first place. If a knife is underperforming, it might be the wrong type entirely. Check your blade choice regularly and adapt as tasks evolve.

Final Word

A well-maintained safety knife is a reliable one. Regular checks, timely replacements, and proper training go a long way in reducing risk and boosting performance.

At Dalton Safety, we don’t just supply safety knives—we help you use them smarter.

Need help setting up a maintenance routine or choosing the right tools for your team? Get in touch with our experts today.