Scientific Cutting Tools (SCT) is a trusted, family-owned manufacturer of high-quality cutting tools, all proudly made in the USA. Our pipe thread mills, made from premium sub-micron carbide, provide exceptional precision and durability for machining tapered and straight pipe threads. Whether you need NPT, NPTF, NPS, or NPSF threading solutions, SCT offers reliable tools that deliver clean, accurate threads with extended tool life. Explore our full range of pipe thread mills to meet your production needs.