The JBO Thread Plug Gauge (NoGo) — Metric Fine, Right Hand, M65 x 1, 6H — is a precision tool designed to verify metric fine threaded holes. It’s built for engineers, machinists, inspectors, and workshop technicians who need fast, reliable checks of hole size and thread quality using a single NoGo gauge.

• NoGo verification for metric fine threads: Calibrated to the NoGo limit for M65 x 1 metric fine threads, helping you quickly confirm holes do not exceed the maximum size and preventing misfits in assembly.
• Rugged hardened steel with knurled grip: Durable, wear-resistant construction that stands up to daily workshop use, with a textured knurling for secure handling and repeatable measurements even with gloves.
• Compact, right-hand design with 6H tolerance: Slim profile suited for tight spaces and orientation that aligns with standard internal thread gauges, delivering consistent inspections within the 6H tolerance class.

By providing a precise NoGo check for metric fine threads, this gauge integrates smoothly into quality control workflows, speeding up part acceptance, installation, and maintenance tasks while supporting reliable, repeatable results. Its sturdy build and thoughtful design help reduce rework and downtime, making it a dependable addition to any workshop or manufacturing environment.