The JBO Thread Ring Gauge (NoGo) – Metric Fine – Right Hand – 6g – M70 x 4 is a precision inspection tool designed to verify external thread diameters on metric fasteners and threaded components. It’s ideal for engineers, machinists, quality control teams, and workshop technicians who need quick, reliable pass/fail confirmation to ensure threads meet exact size standards.

Crafted from hardened steel for durability, this NoGo gauge maintains accuracy under heavy use and on busy QC benches. With a 6g tolerance class and the metric fine specification (M70 x 4) in a right‑hand orientation, it provides a dependable reference for standard metric threads in automotive, manufacturing, and industrial settings.

• Metric Fine NoGo design (M70 x 4, Right Hand, 6g): Delivers precise external thread diameter checks for metric fine threads, helping you quickly identify undersized or oversized parts and prevent non-conforming components from passing QC.
• Hardened steel construction: Built to endure daily use in busy workshops, offering excellent wear resistance and long service life to preserve measurement accuracy over thousands of inspections.
• User-friendly orientation and clear results: Right-hand threading and straightforward alignment make inspections fast and repeatable, reducing setup time and ensuring consistency across operators.

Incorporating the JBO Thread Ring Gauge into your quality workflow helps you accelerate inspections, reduce rework from misfit threads, and maintain tight tolerances batch after batch. Its durable build and precise NoGo sizing provide confidence that every part leaving your bench meets the required standard.