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Zero Tolerance Knives (ZT Knives) is a knife brand of Kai USA, headquartered in Tualatin, Oregon, United States. [1] Both Zero Tolerance and Kai USA are members of the Kai Group, a …

This American company started operations in 2006 and is still going strong. Based in Tualatin, Oregon, ZT Knives started with purely combat and tactical knives, known for their “over-built”, …

ZT uses only the highest quality steels and materials like S35VN, ELMAX, S30V, carbon fiber and titanium for exceptional strength, edge retention and corrosion resistance.

Find out what’s new from the minds of our designers and the made-in-the-USA precision of our manufacturing team.

ZT Systems is a leading provider of complex compute, storage, and accelerator solutions for the world's leading cloud and telecom service providers.

The ZT for OT Activities and Outcomes build upon these guiding ZT documents, adapting them to the unique characteristics and challenges of OT environments and aligned to existing required …

Recognized for their strength and precision, ZT knives are made in the USA and have become a top choice for military personnel, law enforcement, first responders, and knife enthusiasts.

“ZT.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ZT. Accessed 6 Jan. 2026.

And, our close partnership with Zero Tolerance allows us to offer various Sprint Runs and exclusive Limited Edition ZT models. Sign up for our email newsletter to be notified the instant …