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Zero Tolerance
Published: September 2nd, 2024
Zero ToleranceZero Tolerance (ZT) Knives, renowned for their high-quality craftsmanship and innovative designs, has become a leading name in the knife industry. Founded in 2006 as a division of Kai USA Ltd., ZT Knives has consistently delivered durable, reliable, and aesthetically appealing knives that cater to both professional and enthusiast markets.
The inception of ZT Knives was driven by the vision to create knives that could withstand the toughest conditions. Kai USA Ltd., the parent company, is a subsidiary of Kai Group, a Japanese company with a rich history dating back to 1908. Kai USA Ltd. is also the parent company of Kershaw, a brand well-known for its quality and innovation. Recognizing a niche in the market for high-performance knives designed for military, law enforcement, and outdoor use, Kai USA Ltd. launched the Zero Tolerance brand in 2006.
ZT Knives aimed to produce knives that met the stringent demands of professionals in various fields. The brand's slogan, "Proudly Overbuilt," reflects its commitment to manufacturing robust and reliable tools. From the outset, ZT Knives focused on using premium materials and employing advanced manufacturing techniques to ensure their products met the highest standards of quality.
The initial lineup of ZT Knives was characterized by its tactical and hard-use designs. The ZT 0100, one of the first models released, showcased the brand's dedication to durability and performance. This fixed-blade knife, designed by renowned knife maker Ken Onion, featured a full-tang construction, a black Tungsten DLC-coated blade, and a textured G-10 handle for a secure grip. The ZT 0100 set the stage for the brand's future offerings, emphasizing functionality and ruggedness.
Ken Onion's collaboration with ZT Knives proved to be instrumental in shaping the brand's design philosophy. Onion, a highly respected figure in the knife industry, brought his expertise in ergonomics and innovative mechanisms to ZT's product lineup. His designs, including the ZT 0300 series and ZT 0400 series, incorporated features like the SpeedSafe assisted opening system, which provided quick and smooth blade deployment. These early models garnered positive reviews for their solid construction and user-friendly designs.
- Zero Tolerance was founded in 2006 as a division of Kai USA Ltd.
- Kai USA is a subsidiary of Kai Group, a Japanese company dating back to 1908
- The ZT 0100 was one of the first models in ZT's lineup and was the brands first fixed blade
- The ZT 0100 was one of many models designed by Ken Onion
ZT Knives' commitment to excellence led to collaborations with some of the most esteemed knife makers and designers in the industry. These partnerships brought fresh perspectives and unique design elements to the brand's offerings. In addition to Ken Onion, ZT Knives worked with designers such as Rick Hinderer, Todd Rexford, and Dmitry Sinkevich, among others.
Rick Hinderer's collaboration with ZT resulted in the iconic ZT 0560 and ZT 0562 models. Hinderer's influence is evident in the robust build, ergonomic handles, and KVT ball-bearing opening system, which ensures smooth and rapid blade deployment. The ZT 0562, in particular, gained a strong following for its balance of toughness and precision, making it a favorite among knife enthusiasts and professionals alike.
ZT 0562
Todd Rexford's designs, including the ZT 0801 and ZT 0808, introduced sleek and modern aesthetics to the ZT lineup. Rexford's attention to detail and minimalist approach resonated with users seeking a blend of style and functionality. The ZT 0801, featuring a titanium handle and an Elmax steel blade, exemplified the brand's commitment to using premium materials.
ZT 0801
Dmitry Sinkevich's collaboration brought a touch of elegance and innovation to ZT Knives. The ZT 0450 and ZT 0460 models, designed by Sinkevich, are known for their slim profiles, lightweight construction, and refined aesthetics. These knives showcased ZT's ability to adapt to changing market trends while maintaining their core values of durability and performance.
ZT 0450
- In 2011, ZT won "Overall Knife of the Year" at Blade Show with the ZT 0777 (pictured above)
- IN 2014, ZT received the "Manufacturing Quality Award" at Blade Show
Awards
2006 Most Innovative American Design of the Year- Model 500
2011 Overall Knife of the Year
Model 0777
2011 Collaboration of the Year
Model 0560
2012 Overall Knife of the Year
Model 0888
2012 Collaboration of the Year
Model 0600
2013 Overall Knife of the Year
Model 0454
2014 American Made Knife of the Year Model 0562CF
2015 American Made Knife of the Year
Model 0999
The future of ZT Knives will likely see continued innovation in materials, design, and manufacturing processes. By staying true to its roots while embracing new technologies and trends, ZT Knives will undoubtedly remain a prominent name in the knife industry, trusted by professionals and enthusiasts alike.
Written by Drew Clifton
What to Buy
The Zero Tolerance 0562TI folding knife combines precision engineering with rugged durability. The 3.5-inch CPM-20CV stainless steel blade offers excellent edge retention and corrosion resistance, complemented by a titanium handle for strength and lightness. The blade features a stonewashed finish and a flat grind, enhancing its slicing capabilities. Equipped with a KVT ball-bearing system, it ensures smooth and rapid deployment. The frame lock with a hardened steel lock bar insert provides a secure lockup. Additional features include a reversible pocket clip, a lanyard hole, and an overall length of 8.3 inches. Weight: 5.3 oz. Made in the USA.
Crafted for those who demand excellence, the Zero Tolerance 0357 Tiger Stripe folding knife features a 3.25" drop point blade made from stonewashed CPM 20CV stainless steel, offering superior edge retention and durability. The custom titanium handle scales, anodized by SMKW CEO Tyler Pipes in a stunning tiger stripe pattern, make each knife a unique work of art. This American-made knife includes a spring-assisted open and blade flipper for swift deployment, a secure stainless steel liner lock, an ambidextrous stainless steel pocket clip, and a stainless steel backspacer with a lanyard slot. Proudly made in the USA.
The Zero Tolerance 0308 folding knife features a robust 3.75-inch blade made of premium CPM-20CV stainless steel, ensuring superior edge retention and corrosion resistance. The black titanium carbonitride coating enhances durability and adds a sleek look. The handle combines black G10 with a black titanium back, providing a secure and comfortable grip. Equipped with the KVT ball-bearing system, it offers smooth and quick one-handed opening. The knife includes a reversible, tip-up pocket clip for versatile carry options. Proudly made in the USA.
Expert Reviewed
T.C. Barnette
T.C. Barnette is a dynamic media personality and the esteemed spokesperson for SMKW (Smoky Mountain Knife Works), where his passion for knives intersects with his captivating on-screen presence. With a magnetic charisma and deep expertise in cutlery, T.C. has become a beloved figure in the knife community.