The JBO Thread Plug Gauge (GO) – Metric Fine is a precision inspection tool designed to verify threaded holes meet exact size and fit. Built for RH metric fine threads, it checks holes to M55 x 1.5 with 6H tolerance, delivering quick go/no-go results that support reliable quality control and consistent parts.

• Precise Go Gauge for Metric Fine Threads: Quickly confirms holes accept the gauge to M55 x 1.5 with 6H tolerance, helping prevent under- or over-tapping and reducing rework in manufacturing and assembly.
• Durable Hardened Steel Construction: Hardened steel design withstands daily use in busy shops, preserving accuracy and delivering long service life even in demanding environments.
• Ergonomic, Easy-to-Use Design: Knurled body and straightforward plug-gauge geometry enable fast insertion and clear pass/fail readings, speeding up QC workflows and improving throughput.

Using the JBO Thread Plug Gauge streamlines quality checks, delivering reliable results that translate to smoother assembly, fewer fit issues, and a more efficient production process. Its robust construction and precise metric fine specifications give buyers confidence in measurement accuracy and consistency across batches.