Industrial 1-1/4-11-1/2TPI Thread Tap

The Industrial Thread Tap 1-1/4 in - 11-1/2 TPI is a precision cutting tool designed to create or restore internal threads in metal components and industrial equipment. It is commonly used in machine shops, maintenance departments, and manufacturing facilities for threading pipe fittings, flanges, and mechanical assemblies. The tap features seven cutting rows for multiple edges, enabling efficient chip removal and consistent thread quality in both hand tapping and machine tapping operations. Technical specs include nominal size 1-1/4 in, thread pitch 11-1/2 TPI, right-hand cutting, straight flute, straight shank, multi-edge cutting, and a ground and hardened surface finish; thread standard may be NPT or a special form depending on the application. It is designed to cut internal threads in steel, stainless steel, cast iron, and aluminum, making it suitable for industrial environments such as machine shops and heavy manufacturing facilities. The tool is available in materials like high-speed steel (HSS) or alloy tool steel, providing durability for hand or machine tapping operations.