The JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M20 x 1 is a precision measuring tool designed to verify external thread diameters. It’s ideal for engineers, machinists, quality teams, tradespeople, and hobbyists who need reliable, standards-aligned thread checks without guesswork.

Crafted from hardened steel for strength and wear resistance, this NoGo gauge delivers dependable performance in demanding environments. Its simple, intuitive design helps quickly identify non-conforming threads, supporting efficient quality control and precise engineering processes.

• Hardened steel construction with knurled edge: Built to withstand daily workshop use, with a secure grip that makes measurements fast and repeatable, even when wearing gloves.
• NoGo quick-check design for fast pass/fail: Enables instant determination of out-of-tolerance threads, speeding inspections and reducing the risk of accepting defective components.
• Metric Fine, M20 x 1, Right-Hand compatibility: Precisely calibrated for common metric fasteners, ensuring accurate seating and reliable readings for right-hand threads in M20 x 1 applications.

Using the JBO Thread Ring Gauge streamlines your inspection workflow by delivering clear, consistent results. It helps you move parts faster, document conformity with ease, and maintain high-quality standards across assemblies, improving overall reliability in your manufacturing or maintenance operations.