JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M55 x 1.5 M&D The left-hand spiral flute aids

The left-hand spiral flute aids efficient chip evacuation while the right-hand cutting action provides predictable cutting behavior

and high-quality finishes on every job

and achieve repeatable outcomes across batches

helping you achieve fixturing-friendly

JBO Thread Plug Gauge (NoGo) - Metric Fine - Left Hand - 6H - M55 x 1.5 M&D The left-hand spiral flute aidsThe 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