Threading Tool, Internal, 3/8" Indexable, HSS Triangle Inserts, A R Warner Kit #19

This Arthur R. Warner Co. precision tool holder kits use high speed steel or carbide inserts. These are production quality tool holders that are made in the USA. LEARN MORE This Arthur R. Warner Co. boring bar for single-point cutting internal threads has 0.375" shank and is 5" long. This tool requires a 0.5" minimum hole size. Uses TPMW-1.8-1.5-.5 and TPMW-1.8-1.5-1 inserts. The maximum thread depth is 0.100". The Arthur R. Warner Co. is a family-owned American manufacturer of high speed steel products with specialization in cutting, shaping, pre-grinding, heat treating, and finish grinding of premium grades of flat high speed steel. Their quality is excellent and LittleMachineShop.com is proud to carry their products.