this gauge stands up to daily use in busy production and QA environments
true threads without deflection
and heat tolerance for long tool life and consistently high‑quality holes across tough materials
Its robust construction and precise design give you confidence that each threaded part meets standards
and effective coolant delivery makes it well suited for automotive
Carmex Polygon Swiss Line Insert - Grooving & Turning - Left Hand - G25LW12T30BLU ISO Insert - VC Style this gauge stands up toThe Carmex Polygon Swiss Line Insert for Grooving & Turning, Left Hand (G25LW12T30BLU), is built for Swiss type lathes and automatic turning centers. It enables highvolume external grooving, back front turning, profiling, thread turning, parting, and general turning with precise, repeatable results. Designed for lefthand operations, this insert works with coated holders to maximize tool life and uptime in demanding production environments, helping you