The JBO Thread Ring Gauge (NoGo) – Metric Fine, Right Hand, 4h, M12 x 1.5 is a precision tool designed for inspectors, engineers, and workshop professionals who need reliable verification of external thread diameters. It’s ideal for use on fasteners, fittings, and machined parts across manufacturing, maintenance, and QA environments.

This NoGo ring gauge provides clear, fast checks to confirm whether a threaded component meets exact size and pitch requirements, supporting consistent quality control and precise engineering outcomes.

• Hardened steel construction: Built for durability, this gauge resists wear and maintains dimensional stability even after repeated use in busy workshops.
• Metric Fine M12 x 1.5 NoGo design: Precisely calibrated for the fine-thread standard, enabling quick go/no-go decisions to verify thread size and pitch with confidence.
• Right-hand orientation with 4h tolerance: Aligns with common metric thread standards and tight tolerance class, ensuring reliable, repeatable results across a range of parts.

Use this gauge to streamline inspections, reduce rework, and ensure threaded components meet exact specifications. Its clear pass/fail capability helps speed up workflows and support dependable, high-quality assemblies in any precision setting.