How to choose your military knife?

Comment choisir son couteau militaire ? - Phil Team

When choosing a tactical knife, it is important to consider the most common use cases it will face. Almost any blade can be used in a self-defense situation, so focus on activities you intend to perform on a regular basis. With so many options to choose from, starting here will lead to the best design and materials from which to choose the perfect knife.

Everyday Knives (EDC)
Everyday knives are lightweight, ergonomic and easy to take anywhere. They are usually foldable to save space and come with pocket clips for easy transport.

survival knives
If you spend a lot of time outdoors or want to be prepared for any situation, survival knives are a great choice. Normally made with a fixed blade for maximum strength, survival knives often feature serrations designed for cutting wood and other fibrous materials.

Serving knives
A serrated knife is a good option for police and military personnel because they tend to stay sharp longer. A good utility knife will hold an edge, resist corrosion, and deploy quickly.

hunting knives
A hunting knife largely depends on the game being hunted. Small animals may need a smaller, sharper blade, while larger game will need a harder edge.

Utility Knives
A general purpose utility knife can do a bit of everything. It must be able to cut well and withstand frequent and prolonged use. Look for a knife with a corrosion-resistant blade that holds the edge well.

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Blade edge types

After determining the type of regular use for your knife, the next step is to choose an edge type. There are two types of knife blade: smooth and combined. Each type has certain advantages best suited to specific cutting needs.

Fixed vs. Folding

Another important aspect to consider when choosing a tactical knife is to choose between a fixed blade or a folding blade. Like single and combination edges, fixed and folding blades each offer distinct benefits for different scenarios.

Blade Styles

Uses, edge types, and fixed/folding blades are very general considerations when choosing your knife. Blade styles, on the other hand, are specifically designed for certain cutting tasks. The blade style you choose should (like all other aspects of a knife) be based on what you intend to use your knife for.

Blade material

While blade style is a good indicator of what a knife is built for, a more telling feature is the blade material itself. As with other knife qualities, you should choose the material of a blade according to the use that will be made of it. These are a few common attributes of a knife blade that are most directly affected by the material.

  • Blade resistance: The ability of a blade to resist breaking or fracturing

  • Edge retention: the ability of a blade to stay sharp without the need for frequent sharpening

  • Corrosion resistance : The ability of a blade to avoid deterioration due to moisture, humidity, salt or other chemical processes.

  • Ease of sharpening: ability of a blade to be sharpened without great difficulty

It is very rare for a knife to exhibit skills in all of these categories. Most of the time a blade will only excel in one or two as there is no blade material that can perform well in all of them.

Most blades are made of steel due to its stiffness, malleability, and ability to resist corrosion. Steel is an alloy of iron and carbon with high tensile strength and relatively low cost. Blade manufacturers often add elements to the steel such as vanadium for added strength or additional carbon for corrosion resistance. Here are some common types of steel found in knife blades and their practical applications.

High carbon steel knives

All steel is made up of iron and carbon, but some steels are made with higher levels of carbon than others. This high carbon steel is harder and stronger than ordinary steel. Added carbon tends to make steel more brittle and therefore a high carbon steel blade may be prone to chipping or splintering. The most common high carbon steel, 1095, makes an excellent blade material. Discover our tactical military knives.

High vanadium steel knives

High vanadium steel is resistant to the elements and impact. Its rigid construction resists corrosion and rust very well. It also holds an edge and requires minimal sharpening, but when it becomes dull sharpening can be difficult.

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Stainless steel knives

Stainless steel is one of the most common metals used in commercial products. Its 11% chromium construction means it resists corrosion very well and its minimum carbon content of 1.2% makes it exceptionally durable. There are dozens of alloys that fall under stainless steel, but some are found in knife blades more than others.

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CPM-S30V knives
Featuring a blend of metals that results in a very refined grain, the CPM-S30V is a sharp and tough stainless steel. It resists corrosion as well as any other type of stainless steel and is relatively easy to sharpen, making it an excellent choice for a knife blade.

420HC knives
The "HC" in "420 HC" means "high carbon". It is generally considered the best of the 400 series of stainless steel alloys. Like other high carbon blades, it is strong and abrasion resistant, although somewhat brittle.

8CR13 knives
8CR13 steel offers a similar level of performance to premium steels like CPM-154 and LC200N at a more economical price. Although it is neither as corrosion resistant nor as hard as premium steels, its level of performance is still excellent considering its relatively low price.

Thermoplastic knives

It may sound strange, but not all knives are made of metal. Special plastic blends provide an excellent balance of sharpness without having to worry about rust and corrosion. A sharp thermoplastic knife is a reliable and lightweight self-defense tool.

Tool Steel Knives

As their name suggests, tool steels are normally found in screwdrivers, wrenches, hammers, etc. Like tools, tool steel knife blades are very hard and very durable. D2 is the most common tool steel used in knife making. It holds the edge well over a very long period of time but can be quite difficult to sharpen. Tool steel knife blades are durable and very reliable.

handle material

The blade material is one of the most important aspects to consider when choosing a knife. Handle material is also important, as your grip on a knife directly affects the performance of the knife. The perfect knife will feel comfortable in your hand and be easy to use depending on its shape and material. Here are some common handle materials and their defining characteristics.

Composite

Composite knife handles are comfortable in the hand and are durable enough to last a long time. Due to the abundance of chemicals and materials that can potentially constitute them, composite handles are very versatile. Zytel, Ultramid, and Kraton G are popular composite materials often found in knife handles.

Aluminum

Aluminum gives a knife a solid, well-constructed feel without the added weight of heavier metal. This makes it a lightweight knife that's easy to carry around all day.

G10

Increasingly popular in recent years, G10 is a hard, light and strong fiberglass laminate material. It retains its shape, and due to a lack of metal in its composition, it is not subject to corrosion resistance.

Leather

While leather is most commonly used in shoes, some knife handles have it for the same reason boots and shoes do: it's tough, durable, and wears very well over time. Leather handles are frequently found on military style fixed blade knives.

Nylon

Nylon is one of the most common materials for knife handles. Tough, resistant to many chemicals and stable in extreme temperatures, nylon is an excellent and economical handle material.

Rubber

Rubber is well known for its grippy texture. This is precisely why it is used in knife handles - rubber knife handles are very durable and easy to grip for precise cutting.

Steel

Blades aren't always the only part of a steel knife; knife handles sometimes also have a steel construction. Although a steel handle does not offer the same comfort in the hand as leather or rubber, the excellent blade properties of steel also apply in a handle: toughness, resistance to corrosion and ability to withstand long-term wear.

Deployment methods

If you have selected a folding knife, the deployment method is an additional aspect that should be considered. In an emergency situation, opening a knife quickly can help shave precious seconds off your response time. The following deployment methods are found on virtually every knife on the market; make sure you pick the one that's right for you. To see these deployment methods in action, watch our video on how to open and close a tactical knife .

Locking mechanisms

Once you've opened your knife, it's important that it doesn't close when you use it. Tactical knives are made with a variety of locking mechanisms. These locks are a safety feature to ensure that the blade does not fall on your fingers. The blade of a locked folding knife will only stay extended until you decide to engage the locking mechanism and close it. Here are some of the most common types of locking mechanisms on tactical knives. To see how they work, be sure to watch our video on how to open and close a tactical knife .

Liner lock

One of the most common and easiest to use knife locking mechanisms, the liner lock is a piece of metal inside the handle of a knife. When the knife blade is closed, it holds the liner lock in place. The tension of the lock naturally pushes it away from the handle and under the blade, however, when the blade opens, the liner slips into place and prevents the blade from closing. To disengage the lock, simply push it away from the blade and towards the handle, and slide the blade closed. Liner locks are advantageous for their solid construction. It's very difficult to accidentally disengage a liner lock, ensuring the blade only closes when you want it to.

Frame lock

A frame lock is very similar to a liner lock - it slides into place under the blade as the knife opens. Instead of an integrated piece of metal, however, a frame lock is just a part of the frame itself designed to lock the blade in place. The process of engaging a frame lock is the same as engaging a liner lock: just push it out of the way and close the blade. Like a liner lock, it is nearly impossible to accidentally disengage a frame lock.

Lockdown

A lockback is an exposed piece of metal on the back of a tactical knife. A notch at the end of the lock (near the handle) hooks into a notch built into the blade, holding the knife firmly in place when open. Closing a locking knife requires two hands; press down on the exposed part of the spine with one hand to disengage the blade and rotate the blade closed with the other hand. This two-handed requirement ensures that the knife blade will only close when you push it deliberately, protecting your hands and fingers while using the knife.

Button lock

The locking button is probably the easiest way to close your knife. A spring in the handle is attached to both the knife blade and the button. Pushing the button down unlocks the blade and allows the spring tension to take over. Simply push the blade against the tension (while holding the button down) to close your knife. While knives with locking button are very easy to close, this is also their danger: they are easy to close. Be sure to avoid accidentally pressing the button during use so that the blade does not close on your fingers.

As is probably clear by now, tactical knives are very diverse tools. Between blade types, blade lengths, blade materials, handle materials, locking mechanisms, and a myriad of other features, finding the right knife can be an overwhelming process. The best thing to do, however, is to think about what you're going to use your knife for and find the features that match. Once you narrow it down, it won't be as difficult. Use the abundance of knives to your advantage. It might take some effort to sift through, but the long list of useful features means your perfect tactical knife is only a few searches away.

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