JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M18 x 1 Shrink Fit Holders HSS (M2) — is an

HSS (M2) — is an intermediate precision tool designed to deliver accurate hole sizing in metalworking

repeatable bore finishes in tight tolerances

Whether you’re producing repeat parts

and purchasing teams who need fast

reliable cross-checks and easy stocking in your tool crib

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M18 x 1 Shrink Fit Holders HSS (M2) — is anThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 4h, M18 x 1 is a precision tool designed to verify external thread diameters quickly and reliably. Ideal for engineers, quality inspectors, machinists, and maintenance professionals, it helps confirm that threaded components meet exact standards with confidence. Crafted from hardened steel for durability, this NoGo gauge resists wear in demanding environments and maintains accuracy over many