JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M42 x 1.5 A&NF 69 mm diameter is a

69 mm diameter is a straight‑shank carbide tool designed for precise hole finishing in CNC and manual machining

this tool adapts to different depths and profiles

and finishing operations that require consistent edge quality

and supports consistent performance across multiple jobs—making the Vortex 5C Lathe Collet a dependable choice for precise

and fillets in precision parts

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M42 x 1.5 A&NF 69 mm diameter is aThe JBO Thread Plug Gauge (NoGo) Metric Fine is a precision inspection tool designed specifically for metric fine threads. It targets lefthand internal threads in an M42 x 1. 5 size and 6H tolerance, helping engineers, machinists, inspectors, and workshop professionals quickly verify threaded holes meet exact specifications. Metric Fine NoGo validation: Designed to reliably indicate whether a lefthand M42 x 1. 5 thread hole conforms to the 6H