Hex Nut: 1-1/4 - 12, SAE J995 Grade 2 Steel, Zinc-Plated MPN:R52001022

The lead screw assembly, featuring a 20 thread per inch, has an ideal pitch that ensures high precision in feed control making it suitable for applications with tight tolerances or where micro adjustments are necessary. The 1/2-inch left hand thread fits various tapping tools securely, guaranteeing superior performance without stripping or loosening during use. Made of stainless steel material which is corrosion resistant and durable against wear and tear ensuring long-lasting use even when used under harsh environments such as chemical plants or factories exposed to temperature changes or humidity. Moreover, it includes two nuts, making this assembly perfect for multiple tap applications without having to purchase extra parts, enhancing time efficiency while cutting costs.