JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M30 x 2 FLH and its short shank delivers

and its short shank delivers added rigidity in confined cavities

5 mm cutting diameter for tight pockets and fine-detail work

balanced design

and its compact 100 mm gauge length keeps tool overhang tight for excellent rigidity in tight work envelopes

Long & Extra‑Long Length Options for Deep Reach: Choose the extended lengths you need to reach deep pockets and complex geometries while preserving tool rigidity and stable cutting

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M30 x 2 FLH and its short shank deliversThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M30 x 2 is a precision tool designed to verify external thread diameters on fasteners, fittings, and machined components. It provides quick, reliable go no go checks to confirm parts meet the required thread standards without guesswork, specifically tuned for left hand metric fine threads. Fast go no go verification for quick inspections: Quickly confirms whether the external thread diameter