JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M18 x 2 Endmill25 suitable for standard keyseat patterns

suitable for standard keyseat patterns

Durable M2 HSS material: Intermediate precision construction provides reliable hole sizing and steady performance across reaming tasks

Its high-quality materials and coating are chosen to sustain precision over many milling cycles

It’s especially well-suited for mold and die work on steel under 55 HRc

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M18 x 2 Endmill25 suitable for standard keyseat patternsThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6g M18 x 2 is a precision Go gauge used to verify external thread diameters on fasteners, fittings, and machined components. Its ideal for engineers, machinists, quality inspectors, and maintenance teams who need quick, reliable checks to confirm parts meet the exact M18 x 2 metric fine thread specification with a simple go no go test. Manufactured from hardened steel, this gauge delivers standout