The JBO Thread Ring Gauge (NoGo) - Metric Fine, Right Hand, 6g - M28 x 1.5 is a precision inspection tool designed to verify external thread diameters on fasteners, fittings, and machined components. It’s built for a wide audience—from engineers and buyers to tradespeople and hobbyists—providing a reliable, fast way to confirm parts meet the exact M28 x 1.5 thread size and tolerance.

Crafted from hardened steel for durability, this NoGo gauge withstands daily use in demanding shop environments while maintaining dimensional accuracy. The metric fine specification and right-hand layout align with standard parts and measurement workflows, helping you perform clear go/no-go checks and maintain consistent quality across production runs.

• NoGo Precision for Quick Conformance Checks: Instantly identifies out-of-tolerance external threads, speeding inspections and reducing guesswork in quality control for M28 x 1.5 and similar metric fine threads.
• Durable Hardened Steel Construction: Withstands frequent handling and wear, delivering long tool life and stable performance in busy workshop settings.
• User-Friendly Right-Hand, Metric Fine Design: Easy to use and read within standard inspection routines, enabling straightforward pass/fail determinations without complex setup.

Using the JBO Thread Ring Gauge (NoGo) helps you streamline workflows, cut inspection time, and improve part conformity across assemblies. By providing reliable, repeatable results, it supports better QA documentation, reduces rework, and contributes to smoother production and assembly processes.