The JBO Thread Plug Gauge (GO) – Metric Fine – Right Hand – 6H – M115 x 4 is a precision inspection tool designed to verify threaded holes quickly and reliably. Built for engineers, machinists, quality control teams, and workshop environments, this GO gauge helps confirm that a hole will accept the standard thread plug, supporting accurate mating and consistent performance. The knurled, easy-grip body is designed for secure handling in tight workspaces.

Crafted from hardened steel, the gauge delivers durability and wear resistance to stand up to daily use in demanding settings. With a metric fine pitch, right-hand orientation, and a 6H tolerance class, it provides dependable, repeatable checks for hole size and thread engagement in automotive, machinery, and manufacturing applications.

• Precise Go Gauge for Quick Pass/Fail Checks: Enables fast, confident verification of hole acceptance, reducing guesswork and rework in quality control and assembly.
• Rugged Hardened Steel Construction: Delivers long tool life and reliable performance in busy shops and demanding environments.
• Metric Fine, Right-Hand 6H M115 x 4 Design: Ensures compatibility with standard metric threads for consistent, repeatable inspections.

Using this GO plug gauge streamlines your inspection workflow by delivering clear, immediate results on threaded holes. It helps you maintain tight tolerances, speed up setup and assembly, and uphold high-quality standards across production and maintenance tasks.