JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M19 x 1 Tapping Chucks burr-free holes with consistent results

burr-free holes with consistent results

Its reliable readings reduce downtime and provide confidence to engineers

and workshop users who need repeatable hole sizes and dependable performance in production or prototype work

concentric hole finishes with reduced chatter and wandering

Material: Carbide for higher speed and edge retention

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M19 x 1 Tapping Chucks burr-free holes with consistent resultsThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M19 x 1 is a dedicated tool for quickly and reliably checking the external thread diameter of metric fine threads. Ideal for quality control, machining, and assembly teams, it helps you confirm that components with M19 x 1 threads meet the 6g tolerance without guesswork. Constructed from hardened steel for durability, the gauge stands up to daily use in workshops and inspection labs, resisting