The JBO Thread Ring Gauge (GO) – Metric Fine is a precision tool for verifying external thread diameters. Designed for professionals across manufacturing, inspection, and assembly, it delivers fast, dependable conformance checks for metric fine threads, such as M4.5 x 0.5.

Crafted from high-quality materials like hardened steel, this ring gauge offers durability and wear resistance for long service in demanding work environments. Its GO design makes it straightforward to identify components that conform to size and pitch requirements, supporting accurate inspection and consistent results.

• Precise metric Go gauge for M4.5 x 0.5 threads: Quickly verify external thread diameter and pitch against the standard, helping you identify conforming parts at a glance and reduce rework.
• Durable hardened steel construction: Built to withstand daily workshop use, delivering long-lasting accuracy and wear resistance in demanding environments.
• Ergonomic, knurled grip for easy handling: A secure, comfortable grip enables quick positioning and measurement, even when wearing gloves or working in tight spaces.

This gauge helps you streamline inspections, ensuring threaded parts meet exact size and pitch standards. By delivering quick, unambiguous conformance feedback, it speeds up workflows, reduces rework, and supports consistent results across batches. The durable construction keeps performance stable in busy shops, so you can rely on precise measurements every day.