Round Die: 1/4-20, 38 mm OD, Carbon Steel MPN:402209

This precision machined tap boasts superior cutting edges capable of boring smooth threads on aircraft alloys or delicate stainless steel applications with accuracy conforming to ISO standards thanks to its twelve twenty-eight UNF thread series, two flutes arrangement provides excellent chip evacuation capabilities maintaining optimum speeds during cutting operations while enhancing their longevity; the 2B/3B class of fit ensures proper alignment throughout threading processes leading to precision assemblies avoiding costly mistakes post machining stage making them an ideal choice in aerospace automotive industries needing utmost precision coupled with durable finishing at affordable price points.