JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M20 x 2 FMH FLH FHH S&E A&NF M&D and the straight shank ensures

and the straight shank ensures compatibility with standard reaming setups

The W coating improves wear resistance and machining stability

Tapered effective length for added rigidity: Enhances stability during deep groove machining

12 mm is an intermediate precision HSS reamer with a taper shank that fits standard tool holders

Using this reamer delivers consistent bore sizes across production runs

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M20 x 2 FMH FLH FHH S&E A&NF M&D and the straight shank ensuresThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6h M20 x 2 is a precision inspection tool used to verify external thread diameters on fasteners and machined components. Its ideal for engineers, quality control professionals, machinists, and workshop technicians who need fast, reliable go checks to confirm parts meet metric fine thread standards. Made from hardened steel for long lasting durability, this GO gauge resists wear in busy production