The JBO Thread Plug Gauge (NoGo) – Metric Fine – Left Hand – 6H – M45 x 2 is a precision inspection tool designed to verify the internal threads of metric fine holes. It is ideal for engineers, machinists, quality control teams, and assembly technicians who need quick, reliable go/no-go checks to confirm hole sizes meet exact specifications.

Crafted from hardened steel and finished for durability, this gauge resists wear on busy shop floors and maintains dimensional accuracy over many uses. The knurled body provides a secure grip, while the compact NoGo design allows checks in tight spaces, keeping your workflow efficient and repeatable.

• Precise metric fine NoGo for M45 x 2 left-hand threads: Enables immediate pass/fail checks for threaded holes, helping prevent out-of-spec parts and speeding up quality control.
• Durable hardened steel construction: Built to withstand daily use in demanding environments, reducing tool replacement and maintaining long-term accuracy.
• Left-hand orientation with easy handling: Specifically configured for left-hand threaded components, offering clear setup and consistent measurements in your production line.

Using the JBO Thread Plug Gauge supports faster, more reliable inspections, improves consistency across parts, and helps your team make confident, data-driven decisions during assembly and QC workflows.