The JBO Thread Plug Gauge (NoGo) - Metric Fine, Left Hand, 6H, M55 x 1.5 is a precision NoGo gauge designed for metric fine threads. It enables quick, reliable verification of threaded holes in manufacturing, assembly, and quality control, helping you confirm hole size and thread engagement meets your standards.

Crafted from hardened steel with a knurled, grip-friendly body, this gauge delivers durable performance in busy shop environments. The Left Hand orientation aligns with your metric fine thread applications, while the NoGo design supports fast pass/fail checks to keep inspections efficient and repeatable.

• Precise metric fine NoGo gauge for M55 x 1.5: Provides a clear pass/no-go result for threaded holes, speeding up quality checks and reducing guesswork.
• Hardened steel construction with knurled grip: Built to withstand daily use and offer a secure, comfortable grip even when wearing gloves.
• Left-hand orientation with 6H compatibility: Ensures accurate checks for left-hand threads and alignment with standard 6H hole tolerances for consistent results.

This gauge helps you streamline inspection workflows, cut down rework, and deliver dependable results across production, assembly, and maintenance tasks. With its robust build and precise metric-fine specification, you can trust this gauge to support accurate hole verification project after project.