The JBO Thread Ring Gauge (NoGo) — Metric Fine, Right Hand, 6h, M40 x 1.5 is a precision tool for quickly verifying external thread diameters. Specifically designed to check metric fine threads, it helps you confirm parts meet their thread size and tolerance at a glance. Built from hardened steel for durability, this gauge resists wear in demanding environments while delivering consistent, reliable measurements.

• Clear NoGo indication for fast go/no-go decisions: Quickly determine if a part’s external thread diameter is out of spec, reducing guesswork and cutting inspection time.
• Durable hardened steel construction: Built to withstand daily use on busy shop floors, delivering long-lasting accuracy and reduced maintenance.
• Right-hand, 6h, M40 x 1.5 compatibility: Precisely shaped to match standard metric fine threads, ensuring consistent engagement and reliable results.

With the JBO Thread Ring Gauge, you gain faster, more reliable thread verification on every part. The precise NoGo check speeds up inspections, minimizes rework, and supports consistent fit and performance in assemblies. Its hardened steel construction keeps measurements stable in demanding environments, helping you meet tight production schedules with confidence.