RB STIR Tangential Threading Tool. Complete with blades and sharpening jig. Awesome and amazing tool holder for threading. In excellent working condition. The item “Machinist Lathe RB STIR Tangential Thread Cutting Threading Tool” is in sale since Friday, May 28, 2021. This item is in the category “Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Other […]