JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M7 x 0.5 S&E Through coolant design: Enables coolant

Through coolant design: Enables coolant to reach the cutting edges and flush chips

and hobbyists who demand consistently tight bore sizes

The HSS‑E composition delivers enhanced wear resistance and sustained sharpness in tougher materials

The JBO Thread Ring Gauge (NoGo) is a precision tool purpose-built to verify external thread diameters on fasteners and threaded components

this NoGo gauge is built for durability in busy environments and maintains its accuracy through repeated use

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M7 x 0.5 S&E Through coolant design: Enables coolantThe JBO Thread Ring Gauge (NoGo) Metric Fine is a precision inspection tool designed to verify external thread diameters on metric fine threads. It is ideal for engineers, machinists, quality control professionals, and workshop teams who need quick, reliable checks to confirm components meet specifications. This NoGo gauge focuses on left hand M7 x 0. 5 threads with a 6g tolerance, providing accurate pass fail results at a glance. Crafted from