This Arthur R. Warner Co. boring bar for single-point cutting internal threads has 0.5" shank and is 6" long.Approximately 0.55" minimum hole size.Uses TPMW-221 and TPMW-222 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.
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