JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M30 x 2 FLH while the M2 high-speed steel

while the M2 high-speed steel resists wear for longer service life—making this reamer a dependable choice for demanding drilling

Left-hand spiral flute with straight shank (stub length): Improves chip evacuation and provides a rigid

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

DIN 8089 compliance and HSS-E (M35 cobalt) construction ensure reliable

The straight shank supports broad compatibility with standard holders

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M30 x 2 FLH while the M2 high-speed steelThe 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