The JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M33 x 3.5 is a precision inspection tool designed to verify external thread diameters on metric coarse fasteners and fittings. It’s ideal for quality control teams, engineers, machinists, and assembly professionals who need fast, reliable checks to confirm parts meet exact specifications.

Built from hardened steel, this gauge delivers durability and wear resistance for everyday use in busy workshops and production environments. Its NoGo design makes it easy to identify non-conforming components at a glance, helping you reduce rework and keep inspection routines moving smoothly.

• Precise NoGo sizing for metric coarse threads: Specifically calibrated for metric coarse threads, including M33 x 3.5 with 6g tolerance, enabling quick pass/fail checks against defined limits.
• Durable hardened steel construction: Designed to withstand daily use and resist wear, ensuring long‑lasting accuracy in demanding environments.
• Fast, user‑friendly inspection: Simple, intuitive checks that help operators quickly identify out‑of‑tolerance parts and keep quality workflow on track.

Using the JBO Thread Ring Gauge streamlines your quality control by providing clear, repeatable measurements that support consistent assemblies and reliable performance across production runs. It’s a trusted, practical tool that helps ensure metric coarse threaded connections meet exact standards for optimal fit and function.