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Best Zero Tolerance Knives Reviewed & Rated

last updated: Apr 26, 2019

When you think about a pocket knife, the most common assumption is that it is a weapon for self-defense. While that is an accurate assessment of the product a pocket knife is more useful than a weapon you may never use in self-defense. Aside from the obvious benefits of being able to cut open difficult boxes or cases, many pocket knives can be used as tools. A pocket knife built with harder steel could be used to pry and the sharpest knives, while not recommended, can even be used to shave. The high quality and well-designed pocket knives Zero Tolerance, a member of the KAI group family, develop some of the highest quality precision pocket knives that are available today. Here are the best Zero Tolerance knives you can purchase.

In a Hurry? The test winner after 11 hrs of research

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Zero Tolerance 0562CF
99.3/100 our score
Ease of Use
100
Responsiveness
99
Durability
99.5
Zero Tolerance 0562CF
Why is it better?

Using the CPM 20V steel provides an uncanny ability to prevent corrosive wear.

This high-quality knife uses a KVT Ball bearing system that allows the knife to open smoothly and with ease.

This knife uses a frame locking system that prevents the blade from opening unless it is pressed in with some force.

The stonewashed finish provides a unique appearance and textured look to the knife.

In a Hurry? Editors choice:
Zero Tolerance 0562CF
Test Winner: Zero Tolerance 0562CF
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Researched Sources
20
Researched Sources
Reviews Considered
42
Reviews Considered
Hours Researching
11
Hours Researching
Products Evaluated
61
Products Evaluated
Sorting Options
Ease of Use Responsiveness Durability By Default
Rank
PictureProduct
Name
Rating
Shops
#1
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
99.3
Ease of Use
100 %
Responsiveness
99 %
Durability
99.5 %
Price Comparison Last Updated (17.02.20)
Amazon Link
$214.15
#2
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
97.7
Ease of Use
98.4 %
Responsiveness
97 %
Durability
98.2 %
Price Comparison Last Updated (17.02.20)
Amazon Link
$260.00
#3
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
95
Ease of Use
95.9 %
Responsiveness
94 %
Durability
96.9 %
Price Comparison Last Updated (17.02.20)
Amazon Link
$163.94
#4
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
93.3
Ease of Use
93.7 %
Responsiveness
94 %
Durability
93 %
Price Comparison Last Updated (17.02.20)
Amazon Link
#5
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
90.3
Ease of Use
91.4 %
Responsiveness
90 %
Durability
90.6 %
Price Comparison Last Updated (17.02.20)
Amazon Link
$260.00
#6
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
89
Ease of Use
89 %
Responsiveness
88.6 %
Durability
90 %
Price Comparison Last Updated (17.02.20)
Amazon Link
$163.94
#7
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
85.3
Ease of Use
86.8 %
Responsiveness
85 %
Durability
85.4 %
Price Comparison Last Updated (17.02.20)
Amazon Link
$192.00
Cabelas
$192.00
See Deal
#8
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
82.7
Ease of Use
83 %
Responsiveness
82.9 %
Durability
83 %
Price Comparison Last Updated (17.02.20)
Amazon Link
#9
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
80.7
Ease of Use
81.7 %
Responsiveness
80 %
Durability
81.2 %
Price Comparison Last Updated (17.02.20)
Amazon Link
$209.95
#10
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
78
Ease of Use
78.5 %
Responsiveness
77.5 %
Durability
79 %
Price Comparison Last Updated (17.02.20)
Amazon Link
$163.98

10 Best Zero Tolerance Knives

1. Zero Tolerance 0562CF

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
99.3
Zero Tolerance 0562CF
Amazon Link
Ease of Use
100
Responsiveness
99
Durability
99.5
best offer for today
Amazon Link
$214.15
Pros:

Using the CPM 20V steel provides an uncanny ability to prevent corrosive wear.

This high-quality knife uses a KVT Ball bearing system that allows the knife to open smoothly and with ease.

This knife uses a frame locking system that prevents the blade from opening unless it is pressed in with some force.

The stonewashed finish provides a unique appearance and textured look to the knife.

Cons:

The handle is shorter in length while not overly short a larger handle would be beneficial.

This blade offers no serration that may be needed for tougher materials.

Coming in at first place is the epitome of the Zero Tolerance knife line up. The Zero Tolerance model 0562CF hinderer slicer, this is a 5.5-ounce knife with a 3.5-inch blade. It has sported a carbon fiber front handle and a KVT ball-bearing opening system that is extremely easy to open and used on a great many of there knife systems. This knife is a perfect solution to your everyday carry, EDC, needs.

Reversible Carry Clip
The hinderer slicer comes with a reversible deep carry pocket clip to accommodate both left and right-handed users. This clip positions the knife in a tip-up position. The positioning of the tip of your knife generally only matters based upon your preference and can be adjusted to either directionality.

Corrosion Resistance
Whenever a knife maker decides to make a new knife, the steel that is used in the production of the blade will make a crucial component that will determine the success or failure of a product line. CPM 20CV steel is of high quality and extremely corrosion resistant and uses chromium in order to resistant the elements.

Cost and Value
Considering the superior design and complex engineering the knives on this list will be considerably more expensive than your standard pocket knife. Even with that in mind, the Zero Tolerance 0562CF is one of the higher priced products and well worth the price tag with the amazingly well thought out knife design.

2. Zero Tolerance Sinkevich

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
97.7
Zero Tolerance Sinkevich
Amazon Link
Ease of Use
98.4
Responsiveness
97
Durability
98.2
best offer for today
Amazon Link
$260.00
Pros:

The CPM-S35NV steel provides a quality that is sure to last the entirety of the knife's lifespan.

The half carbon fiber, half titanium frame provides a lightweight and balanced feel while remaining comfortable in your hand.

The sleek black color and carbon fiber texture provide a very pleasing aesthetic nature.

This knife is a great companion to any hunter.

Cons:

This knife offers little in the way of slip resistance.

This knife can close a bit too smooth without caution.

The Zero Tolerance Sinkevich model number 0450CF is an obsidian colored knife that made it to the second place on this list. This knife has a stylish carbon fiber front plate and a lightweight titanium rear plate. This knife conforms to the natural contours of your hand and has a very balanced feel to its weight.

Carbon Fiber Handle
The carbon fiber front plate featured on this knife is a stylish addition that adds eye appeal and functionality to this high-end knife. The carbon fiber front is lightweight and durability. Additionally, carbon fiber is corrosion resistant, moisture resistant, and is heat stable.

Improved Edge Protection
The CPM-S35NV steel used to produce this knife is commonly referred to as the best steel to use in the production of a knife. This top grade steel is a mixture of stainless steel, vanadium, niobium, and carbon. When these are mixed result in a high-quality blade that is extremely easy to sharpen and will hold an edge for a very long time to come.

Cost and Value
The pricing point on this knife falls toward the mid ranged however that lower price shouldn’t cause anyone to presume this is a second-rate knife. This knife is made of high-quality materials and ingenious design and is well worth the price tag associated with it.

3. Zero Tolerance 0350TSST

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
95
Zero Tolerance 0350TSST
Amazon Link
Ease of Use
95.9
Responsiveness
94
Durability
96.9
best offer for today
Amazon Link
$163.94
Pros:

The textured G-10 handle provides safety preventing any slipping during the use of this knife.

The Diamond like coating used on the blade of this knife provides superior corrosion and water resistance.

The serration on the end of the blade ensures you can cut through some of the toughest surfaces you can imagine.

The tiger-striped blade surface is eye-catching and brings a unique sense of style to the blade.

Cons:

This blade is one of the shorter blades on this list at only 3.25 inches in length.

This blade is made using the older S30V steel which has been replaced by the S35VN composition.

The Zero Tolerance 3.25 inch blade model number 0350TSST use a longer and wider tiger striped tungsten blade that is coated in a DLC ( diamond-like carbon ) material. This knife weighs in at 6.2 ounces and has a G-10 textured handle to prevent this knife from slipping from your hand during use. The blade has a serrated base which allows you to cut more difficult fibrous materials.

Textured Handle
The 0350TSST model knife uses a G-10 textured handle to provide superior handling regardless of moisture or hand positioning. G-10 is a composite high-pressure fiberglass laminate. G-10 is a resin based laminate that is renowned for its high strength and low moisture absorbency.

Tungsten DLC Coating
A Tungsten Diamond Like Carbon is also known as amorphous hydrogenated carbon is a class of material that has excellent tribological, biological and mechanical properties. This hard coating provides increased protection against corrosive conditions and high operating temperatures.

Cost and Value
As the most cost-effective option featured on this ten best list the ZT 0350TSST is the lowest priced product on this list. While lower in cost there is no bad option on this list, each of these knives is manufactured with the highest quality design and materials.

4. Zero Tolerance 0801

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
93.3
 Zero Tolerance 0801
Amazon Link
Ease of Use
93.7
Responsiveness
94
Durability
93
best offer for today
Amazon Link
Pros:

The seamless and easy to open flipper switch ensures you can use your knife at a moments notice.

The new textured titanium handle provides a sense of control that is unparalleled by your common pocket knives.

The ELMAX powdered steel provides exceptional resistance to everyday wear and tear.

The reinvigoration of this knife provides a high-quality appearance and ZT added 5 cutouts to reduce the overall weight of the knife and add to the already stylish appearance.

Cons:

The titanium 0801 model has a stone wash texture while it looks appealing the brand uses this design quite frequently.

This blade is one of the longer blades on this list and might be bulky for some users.

The ZT 0801 Titanium Flipper is a knife that uses ELMAX powdered steel. This steel is a high vanadium, molybdenum-alloyed, and chromium steel composition that offers a highly compressive strength, superior corrosion resistant, and will retain its form even with the most rigors use.

Manual Opening
The 0801 Titanium flipper uses the KVT ball bearing system in tandem with the quick flipper function of many other knives. This allows the user to easily and seamlessly open and closes the knife with a single hand and with little to no resistance.

Titanium Handle
This 0801 model is a remastered knife from another line. The blade is the exact same blade as the older model and the new handle uses a bead-blasted finish to provide a grippable texture. This new handle uses a Teflon coated clip that will hold the knife firmly in place.

Cost and Value
The 0801 model is a mid-priced knife that includes many of the best features that the ZT brand implements. From the new titanium handle to the easy to open quick flipper this knife really feels like a high-quality production product.

5. Zero Tolerance 0460

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
90.3
 Zero Tolerance 0460
Amazon Link
Ease of Use
91.4
Responsiveness
90
Durability
90.6
best offer for today
Amazon Link
$260.00
Pros:

The extremely lightweight design and size make this knife easy to carry.

This knife’s two-tone handle brings an appealing and unique visage that won't let you look away.

The 0801 Titanium knife has a pronounced ergonomic curve that fits in the hollow of your hand comfortably.

This knife was partially 3D machined to bring the unique conforming hand shape.

Cons:

Due to its extreme light weight, you can quite easily forget you are even carrying a knife.

This knife offers little in the line of defense against sliding while being used.

The ZT 0460 stainless steel knife features an eye-catching bronze carbon front plate and titanium scale back plating that bring a distinct and appealing quality to the knife. The 0460 uses the KVT ball-bearing opening system that can be considered to be a little too smooth. This knife seized upon the opportunity to use the S35VN steel in the production of this knife for its amazing resilience to wear and metal composition.

Two-Tone Finish
The two-toned bronze carbon fiber and titanium scale front and back plates on the handle add a breath of fresh air to the design of this knife. When held in a well-lit area the bronze will glitter and without a doubt draw in observers from afar that notice the shimmering.

Compact for EDC
With its 3.25 inch blade, 4.25-inch handle, and resounding 2.3-ounce weight this knife is seemingly non-existent as it rests in your pocket. This lightweight and small design which allows easy concealability make this knife the ideal choice for an everyday carry option.

Cost and Value
With a middle ranged price point this knife truly lives up to the ZT brand name. The is one of the best sellers from the ZT bullpen and with its compact stature and unique two-tone design this knife is highly valued to any that purchase it.

6. Zero Tolerance 0350Ts

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
89
Zero Tolerance 0350Ts
Amazon Link
Ease of Use
89
Responsiveness
88.6
Durability
90
best offer for today
Amazon Link
$163.94
Pros:

The tiger stripe alternating coating on the provide provides functionality and is pleasing aesthetically.

This blades ability to withstand wear, like many of the other ZT blades, will ensure you are using this knife for years to come.

The frame on this blade uses an indentation near the edge of the handle so that should your hand slide up the frame your hand will stop before reaching the cutting edge.

This model of knife uses the speedsafe opening system that was designed by ZT.

Cons:

When buying this style of knife you need to be cautious to avoid cheap knockoffs.

Applying too much pressure to the backside can cause this knife to open.

While similar to the 0350TSST this model is a smaller one that doesn’t include a serrated edge at the base of the blade. This knife uses a shorter and wider design compared to the TSST alternative model. The 0350Ts weigh is at just about eight ounces making it a heavier knife on this list.

Tiger Stripe Paint
The 0350Ts knife features a tiger stripe knife coating that alternates from a deep gunmetal gray to a black bead blast finish that gives it a duller look but increases its resistance to scratching from hard usage.

Wear Resistant
The ZT model 0350Ts knife uses an S350V metal that is martensite ( or extremely hard ) and powder made metal that extremely wear resistant. This metal promotes the formation of vanadium carbides that are harder and more effective than the chromium counterparts. These vanadium carbides provide the steel with a refined grain that improves its toughness and resistance to wear.

Cost and Value
The 0350Ts like its similar model the TSST is more in the lower end of the cost when it comes to the ZT brand. This lower cost is most likely due to the use of the S305V metal over the more expensive S35VN composition.

7. Zero Tolerance 0770CF

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
85.3
Zero Tolerance 0770CF
Amazon Link
Ease of Use
86.8
Responsiveness
85
Durability
85.4
best offer for today
more shops
Amazon Link
$192.00
Cabelas
$192.00
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Pros:

The protection from chipping makes this a high-quality knife that can be used for multiple purposes without the concern that it will acquire undue wear.

The spear tip knife design is perfect for piercing tougher plastic, opening boxes or even preparing fire kindle.

The inset lock liner allows for the user to open this blade with ease and carefree.

The higher quality makes this a perfect addition to law enforcement or military use and can double as a thoughtful gift.

Cons:

With enough pressure, the inset lock liner can rupture and break.

Without the Speedsafe technology, this knife can be difficult to open.

The Zero Tolerance 0770CF is a knife that has a carbon fiber handle and features the cherished reversible pocket clip that is featured in many other knives in the ZT line up. This handle is built with a secure inset liner lock that allows the blade to open easily and when the blade is opened the secure lock liner snaps into place preventing the blade from closing until it's moved out of the way.

Protection Against Chipping
The 0770CF knife uses the higher quality S35VN steel that was designed specifically to prevent chipping, and in fact, this material will fold over before chipping. This makes a knife that is particularly useful when working with them often.

Inset Liner Lock
While not uncommon in the design of knives the 0700CF uses an inset liner lock that allows the user of this blade to open the knife with extreme ease and once the blade is in the upright position know that it will stay there safely with this lock in place.

Cost and Value
With the utilization of the S35VN high-quality metal composition, this blade comes in near the higher pricing point. That higher price point comes with the assurance that you are buying a knife that is using high-performance materials and will accomplish your task with minimal wear.

8. Zero Tolerance 0566BW

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
82.7
Zero Tolerance 0566BW
Amazon Link
Ease of Use
83
Responsiveness
82.9
Durability
83
best offer for today
Amazon Link
Pros:

The quad point mounting system ensures any user can use this knife to its fullest capabilities.

The speed safe opening system provides a quick and easy way to open this knife when employing it for use.

The lower price yet higher quality production materials used on this knife in comparison to others on the list make it a strong contender.

The inset frame lock provides an added measure of security while in use.

Cons:

This knife has been reported as needing to be sharpened upon first purchase.

This particular model by ZT has had defective issues with the speed safe system.

This well-designed knife is a reimagining of the original 0556 model knife and has a blackwash color coating. This blade uses the infamous S35VN steel to provide a high-quality blade that is synergetic with the Zero Tolerance brand. This blade uses a frame lock and a lock bar stabilizer to keep the blade firmly in place when opened or closed.

Quad Mount Pocket Clip
The most noteworthy aspect of this knife is its quad mounting pocket clip. This design trait includes 4 different sets of symmetrical holes for mounting a pocket clip. With this setup, you can adjust the positioning of your pocket clip to allow for left and right handed use, as well as to accommodate either a tip up or tip down positioning depending upon your preferences.

SpeedSafe Opening
The speed safe system is a patented function that allows the user to open smoothly any knife with the use of a manual push on the blades thumb stub or it can be found on the pullback as a flipper. This system is built into the best knives that ZT offers.

Cost and Value
The 0566BW model by ZT is on the cheaper side of the knives featured in this list. The adaptable pocket clip, speed safe opening, and high-quality steel composition along with the lower price tag make this a higher value knife.

9. Zero Tolerance 0095BW

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
80.7
Zero Tolerance 0095BW
Amazon Link
Ease of Use
81.7
Responsiveness
80
Durability
81.2
best offer for today
Amazon Link
$209.95
Pros:

This blade offers superior abrasion resistance ensuring the blackwash finish will remain untarnished for some time to come.

The KVT ball bearing system offers an extremely smooth opening blade.

This knife design embodies a dramatic look and provides top performance.

This blade uses titanium handle that with wide chamfers that provide a comfortable grip.

Cons:

Many people report that they prefer the hinderer line to this design.

The angular pommel shape can cause the blade to protrude from your pocket.

The 0095BW model produced by ZT is one of the higher quality and priced products produced by the ZT brand. This all-inclusive knife sports their KVT ball bearing easy open system, S35VN high-quality steel composition, a solid titanium handle, and a durable frame lock with a hardened lock bar insert that fastens the blade into place while open during use.

Abrasion Resistance
Any hard particulates that cross the surface of a blade can and will often cause blemishing and abrasions on the blade of your knife. The S35VN steel used in the production of this knife feature larger chromium carbides that resist the most prevalent abrasion problems.

KVT Ball Bearing System
This and other ZT brand knives use a KVT ( Kershaw Velocity Technology ) ball bearing opening system. This easy to use opening system puts to use ball bearings that allow the blade to slide out of the handle with ease.

Cost and Value
With its sleek design and blackwash finish, this is a higher priced knife offered by ZT and it looks like it. This knife was assembled and designed for the most dedicated knife aficionado.

10. Zero Tolerance ZT0301

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
78
Zero Tolerance ZT0301
Amazon Link
Ease of Use
78.5
Responsiveness
77.5
Durability
79
best offer for today
Amazon Link
$163.98
Pros:

The ambidexterity will ensure this blade will conform to the needs of all users.

The use of the thumb stud to open the blade was an ingenious design feature.

Including a framelock in this knife further enables either hand functionality.

Cons:

The extremely high cost was a primary factor in the rating of this product.

The coloring on the blade can seem very dull.

The Combat Folder knife is an impressive model to include in the ZT roster. This blade sports the ZT speed safe system that allows the user to open the knife easily with any hand with a simple-to-use switch that is featured on the top of the knife near the blade. For added protection the 0301 uses a thumb stud to prevent any sliding and help with the smooth opening of the blade.

Ambidextrous
Everything from the SpeedSafe opening assistance to the titanium frame lock ensures that this knife can be used in both or either of your hands.

Thumb Stud
Common in the design of the ZT knives, the 0301 model knife uses a thumb stud which allows you to open the knife nearly as quickly as the KVT ball bearing models.

Cost and Value
This knife is by far the most expensive product that can be found on this list. With the features like the KVT ball bearing opening assist or a serrated base, it is hard to tell if this model is worth the extreme price tag that accompanies it.

Criteria Used for Evaluation

Ease of Use

Many of the knives I selected for this list utilize a KVT ( Kershaw Velocity Technologies ) ball bearing system that allows for the blade to open smoothly with minimal resistance. These ball bearing systems use no springs or torsion bars and instead use a group of bearings that surround a pivot point at the base of the blade. These ball bearings will rotate when combined with either the Speedsafe easy flip open or the thumb stud opening mechanism.

The thumb stud flipper is a manual opening mechanism found on a variety of the knives included in this best of the list. This easy to use system is found on near the base of the knife and can be employed by simply applying a small amount of pressure with your thumb. This opening system will force the blade open and allow the frame lock to fall into place ensuring your blade will remain open until you free the lock and close your blade.

The Speedsafe system is used in both the thumb stud and spine switch opening mechanisms. The system was designed to stay closed unless there was enough force applied to the thumb stud or the spine stud. When enough pressure is placed on either of the opening mechanisms the blade will slowly ease into the completely open position.

Responsiveness

Another aspect that these knives needed to conform to was the ability to ensure that no matter the need, the knife would open every time you pulled it out. While not its only function yet its prime function, in the event that you need this knife for self-defense the blade getting stuck when you need it most could prove to be a fatal flaw. The Zero Tolerance brand does an amazing job of not only ensuring their products will open, but they assist in the opening of the knife,  making it possible to achieve it in a swift single fluid motion.

Most knives are commonly being used to open tough plastic packaging or other equally annoying packaging products, and a dull knife is about as useful as your fingernails to open the packaging. While everyone loves the thought of a challenge you need to pick and choose your battles. In order to make your life easier, I featured blades that would retain a sharp edge and would be easy to sharpen when it becomes necessary.

Durability

No matter the purpose or intent while carrying a knife a major concern for every buyer is how well the product can withstand corrosion caused by moisture. Anyone that carries a knife regularly can tell you that somehow the knife in their pocket still ends up with the slightest bit of moisture coming in contact with it during hot days or should they be doing physical activity. The knives on this list are made with the highest quality steel composition you can find for a pocket knife. They are extremely resistant to corrosion caused by moisture and will endure the trial of time.

Even the most expensive knives in the world will someday require a sharpening. It is the inevitable price we pay for the use of high-quality steel. While it can be a challenge with many blades you won’t find that with any of the Zero Tolerance knives featured in this list.

With often use and regular opening and closing of your knife, hard particulates can and will end up with your blade and the frame when closing. These small and hard particulates can damage the finish on your knife. Many of the knives featured on this list use coated steel that will work to prevent any blemishing or tarnishing of your knife’s blade.

Having to carry a knife every day can become a bit of a task. From ensuring you have easy access and that it can be concealed in any outfit,  you already have a lot on your plate to manage. While not all of the knives on this list are as forgiving, a few of these options are nearly maintenance free. No matter your choice every blade needs to be sharpened occasionally, however, aside from that many of these options will require no additional maintenance.

Expert Interviews & Opinions

Most Important Criteria (According to our experts opinion)
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#1
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Know the features you would like

Zero Tolerance overhauled all of the frames that their most recent knives use allowing them to use a modular quad mounting pocket clip. This pocket clip can be attached to either side of the top or bottom part of the frame. This sleek and ingenious design allows every user to adjust the way the knife sits and which pocket you can hold your knife. A single unifying trait between every knife on this list is the limited lifetime manufacturer's warranty. While it isn’t an all-inclusive action-packed plan of replacement the Zero Tolerance brand stands by the quality craftsmanship that is associated with its brand.

The texture handle of your knife is important

A good textured handle will prevent your hand from sliding up the handle and onto a very sharp cutting edge. The overwhelming majority of the knives on this list used a textured handle or took it one step further and used a G-10 textured handle that is composite fiberglass and has amazingly low water absorbency and will grasp to your skin providing total control.

Other Factors to Consider

Materials

Arguably the most important aspect of any high quality, top performing knife is the choice of steel types. Zero Tolerance uses a wide variety of steel compositions and in order to ensure that, I encompassed only the best of compositions and I selected the three most prevalent compositions. The first composition I chose to include was the CPM 20CV stainless steel.

This steel is composed of 6 different metals, chromium, molybdenum, vanadium, silicon, tungsten, and magnesium. A large amount of chromium used in its production helps to prevent corrosion. The addition of vanadium increases the overall toughness of the metal. The magnesium alloy helps to boost the metals tensile strength and resistance to wear. Using molybdenum increases the ability to hold an edge while the selection of tungsten and silicon provides increases hardness and prevents pitting. The next metal I included was the S30V steel composition.

S30V steel composition uses carbon, chromium, vanadium, and molybdenum. Noticeably absent from this list compared to the CPM 20V is the use of nylon and magnesium. While they are beneficial the S30V steel composition uses higher quantities of the metals that did remain in the composition. The last metal composition I used when narrowing this list is S35VN, which is very similar to the S30V composition. The S35VN composition, however, adds niobium to the mix which added a shocking 15-20% increase in the toughness of the steel.

Frequently Asked Questions

q: Can any of these knives be used as a screwdriver?

a:

While these knives are extremely versatile and durable, I wouldn’t recommend using this knife for removing screws. The quickest way to tarnish a knife is to put adverse pressure on the tip.

q: Which of the steels used in the knife’s production is the best?

a:

While all of the steel compositions are extremely durable and able to withstand severe use the composition that is commonly referred to as the best is the S35VN steel composition due to its high carbon content.

q: Are any of these knives open framed?

a:

The Zero Tolerance knives seem to be nearly entirely open framed. Many of the options go a step further with this design and offer a split carbon fiber and titanium mixed frame design that is functional and appealing to the eye.

q: Do any of these knives open automatically?

a:

With local, state and federal laws varying wildly on the topic of automatic ( also known as switchblades ) knives, the knives I included all require a manual mechanism to open the blades. This manual feature doesn’t seem to slow down one's ability to open the knife, however.

q: Do these knives come with a pocket clip?

a:

With more and more people every year adding a knife to there EDC, having a pocket clip was clearly a staple of any high quality zero tolerance knife. With this in mind, every option on this list is capable of supporting and does include a pocket clip.

q: Are these knives made stateside?

a:

The Zero Tolerance company proudly produces these high-quality knives here in these united states. The knives are produced in the town of Tualatin, Oregon.

q: Do these blades have a textured grip?

a:

The vast majority of the blades on this list use a textured grip that is made of a fiberglass resin that has an extremely low water absorbency and grips your hand steadfast.

q: Are any of these knives able to open in your pocket?

a:

This extremely dangerous aspect of a knife can never be overlooked. The Zero Tolerance company did a very good job of ensuring that these knives will not open in your pocket with your influence.