Free shipping on USA orders Over $30

Free shipping on USA orders Over $30

Free shipping on USA orders Over $30

Double discounts! Spend $200+ and get an extra 10$ off at check out!

How to Clean a Folding Knife

QSPknife |

Whether you're a seasoned outdoors enthusiast or simply someone who appreciates the utility of a good blade, your folding knife is an invaluable tool that deserves proper care. Regular cleaning not only preserves its sharpness and luster but also ensures it operates safely and efficiently when you need it most. In this guide, we'll walk you through the essential steps to clean and maintain your folding knife – from gathering the right tools and taking safety precautions to deep-cleaning each part and reassembling it for optimal use. Designed with both beginners and experts in mind, our straightforward advice will help you keep your trusty folding knife in tip-top condition for years to come.

1. Preparing for the Clean-Up

Start by gathering the necessary tools and materials: soft cloths or microfiber towels, a gentle brush (an old toothbrush works well), Q-tips, mild dish soap, distilled water, and a lubricant designed for knives. For rust removal, you may need white vinegar or rust remover, depending on the severity of the rust.

Safety is paramount when handling sharp objects to prevent cuts or injuries. Ensure the knife is closed before you begin cleaning, and if you're planning to disassemble it, make sure you have a clear workspace and proper organization containers for small parts like screws. Always handle the blade carefully, particularly if it's excessively sharp or if there's potential for slipping while cleaning gunk off the edges.

Lastly, perform a quick assessment of your knife's condition. Check for any visible damage, loose parts, or areas with significant dirt accumulation. This preliminary check will not only help in targeting your cleaning efforts but also flags any potential issues that might require more than just cleaning, such as sharpening or professional servicing.

QSP Canary Fixed Blade Knife Cr8Mo2VSi(DC53) Blade Green Micarta Handle

2. Disassembly and Initial Cleaning

Take It Apart

If your folding knife is designed to be taken apart, disassembling it can facilitate a more thorough cleaning. Begin by carefully removing any screws or fasteners with the appropriate screwdriver, paying attention to the order and placement of each part. It's helpful to use a tray with compartments or a magnetic mat to keep these tiny pieces organized.

BrushOff the Basics

Once disassembled, use a soft brush to sweep away loose dirt and debris from the blade and handle. This initial brushing helps prevent scratching the metal or handle material during the wet cleaning phase. For tighter spaces where the blade meets the handle, precision tools like Q-tips can dislodge hidden grime.

Wipe Down Components

With the larger particles brushed off, take a soft cloth lightly dampened with distilled water and wipe down the non-metallic parts. For the blade and metallic components, use a separate cloth slightly moistened with soapy water (a drop of mild dish soap in a cup of distilled water works well). Be gentle to avoid water seeping into the knife's internals or remaining on the metal for too long, which could cause corrosion.

Even at this stage, it's important to regularly dry off parts as you go to prevent any moisture-related damage.

3. Deep Cleaning Each Part

The Blade's Bath

Dip your soft brush in soapy water and gently scrub the blade. Be mindful of the edge to avoid injury and ensure you clean both sides. If there’s stubborn residue, using a bit of baking soda on the brush can help as a mild abrasive. Once the blade looks spotless, rinse it with distilled water and immediately dry it with a clean cloth to prevent any rust from forming. For serrated blades, use a toothpick or specialized tool to address the grooves.

Handle with Care

Handles come in various materials like wood, bone, plastic, or metal, each requiring specific care:

  • Wooden Handles: Use minimal water to avoid swelling or warping the wood. Instead, opt for a cleaner meant for wooden surfaces and finish with a wood conditioner.
  • Synthetic Handles (Plastic, G10, etc.): They can generally handle more moisture, so wiping them down with soapy water is fine, followed by thorough drying.
  • Metal Handles: Similar to the blade, you can use soapy water, but make sure to thoroughly dry it afterward. Metal polishes can be used for extra shine and rust prevention.

Pivot Points and Grooves

Here, accumulated gunk can hamper the folding mechanism. Use Q-tips dipped in soapy water to clean out the pivot area and any locking mechanisms. Dry these areas well and apply a cotton swab with rubbing alcohol to disinfect and remove any remaining residue.

Addressing Rust and Corrosion

If you notice rust spots, soak the affected area with white vinegar or a dedicated rust remover for a few minutes then gently scrub it away. For significant corrosion, it may be necessary to use fine-grit sandpaper, but this should be done with caution to avoid scratching the surrounding area.

4. Lubricant and Protect Your Folding Knives

After cleaning, lubricating your folding knife is crucial for the protection and smooth operation of its moving parts. Proper lubrication reduces friction, prevents wear, and can even help keep rust at bay. However, choose one specifically designed for knives, which won't attract dirt or become gummy over time.

Choosing Your Lubricant

There are several types of lubricants suitable for knives, including mineral-based oils, synthetic lubricants, or even dry lubricants. Avoid household oils and WD-40, as they can attract dust and degrade your knife's performance.

Applying Lubricant

The goal is to apply a small amount of lubricant precisely where it's needed without overdoing it. Focus on the pivot area of the blade and any locking mechanisms. Use a clean Q-tip, toothpick, or needle to apply drops of lubricant to these specific points. Open and close the blade several times to work in the oil, wiping away any excess to ensure no residue is left over that could attract lint or dust.

Protecting the Blade

Once lubricated, give the blade a final wipe with a protective product like a silicone-based polish or wax, which adds an extra layer of moisture resistance. This step is particularly important if you live in a humid climate or plan to use the knife in marine environments.

5. Reassembly and Function Check

Ensure you're working in a well-lit area with all the pieces within reach. Start by reassembling any internal mechanisms, such as the locking mechanism, and being careful to align everything correctly. When replacing screws or fasteners, tighten them securely but avoid over-tightening, which can damage the threads or make future disassembly difficult.

After reassembly, it’s crucial to check the action of the knife. Open and close the blade several times to ensure it moves smoothly without sticking or grinding. If it doesn’t, slightly loosen the pivot screw to adjust the tension. This is also a good time to test the locking mechanism; the blade should lock firmly in place with no play.

Lastly, conduct a safety inspection. Ensure that when the knife is closed, the blade is fully seated inside the handle and cannot be accidentally opened. When open, the blade should not wobble or feel loose. A well-maintained folding knife will have a consistent and predictable action.

Keep the Edge Sharp

Caring for your folding knife through regular cleaning and maintenance isn't just about preserving its appearance; it's about safeguarding its functionality and your safety. By following the steps outlined—from the initial clean-up to the final reassembly and function check—you ensure that your knife stays reliable, safe to use, and ready at a moment's notice. Whether you're preparing for an outdoor adventure or simply carrying out everyday tasks, a well-maintained knife is a companion that won't let you down. Remember, the time you invest in maintaining your folding knife will pay dividends in its prolonged lifespan and unwavering performance.