# K\-Tube Technologies: K\-Tube Technologies > US\-based manufacturer of stock and custom stainless steel and titanium tubing for medical, aerospace, industrial, and fiber optic applications since 1974\. Generated by Yoast SEO v28.1, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [Terms Of Use](https://www.k-tube.com/terms-of-use/) - [Terms of Sale](https://www.k-tube.com/terms-of-sale/) - [Direct \(Metric System\)](https://www.k-tube.com/shop-tubes-online/metric/) - [About Us](https://www.k-tube.com/about/) - [Fiber Optic](https://www.k-tube.com/applications/fiber-optic-tubing/) ## Products - [K6R](https://www.k-tube.com/product/k6r/) - [MS18E](https://www.k-tube.com/product/ms18e/) - [M27E](https://www.k-tube.com/product/m27e/) - [M23E](https://www.k-tube.com/product/m23e/) - [M19E](https://www.k-tube.com/product/m19e/) ## Categories - [White Papers](https://www.k-tube.com/resources/category/white-papers/) ## Product categories - [304](https://www.k-tube.com/product-category/304/) - [316L](https://www.k-tube.com/product-category/316l/) - [304L](https://www.k-tube.com/product-category/304l/) - [177P](https://www.k-tube.com/product-category/177p/) - [430](https://www.k-tube.com/product-category/430/) ## Optional - [Sitemap index](https://www.k-tube.com/sitemap_index.xml)