JBO Thread Plug Gauge is a go/no-go inspection tool designed for metric coarse threads. It’s ideal for machinists, quality inspectors, and assembly specialists who need quick, reliable verification of threaded holes, specifically for M1.8 x 0.35 coarse threads. Equipped with a right-hand design and 6H tolerance, it provides a clear pass/fail reference to ensure proper fit and reliable performance in tight workspaces.

• Go/No-Go accuracy for metric coarse threads: Quickly determine if a hole is within tolerance, reducing guesswork and rework by providing a clear pass/fail result for M1.8 x 0.35 threads.
• Hardened steel construction for durability: Withstands daily shop wear, maintains precision, and offers long service life in challenging environments.
• Right-hand, 6H tolerance for standard compatibility: Specifically matched to M1.8 x 0.35 coarse threads, ensuring reliable checks and compatibility with standard components.

Using the JBO Thread Plug Gauge helps you speed up threaded-hole checks, cut down rework, and improve consistency across parts and assemblies. The rugged hardened-steel design and precise go/no-go criteria give you confidence in every measurement, enabling tighter quality control and more reliable performance in production or repair environments.