JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M26 x 1 A&NF this chuck provides secure gripping

this chuck provides secure gripping and true concentricity

repeatable fillets with long tool life

Carbide (K10) construction for long tool life: Intermediate-precision carbide provides durability and stable hole sizing

and radii in complex features

this 3‑flute ball nose delivers smooth contouring and accurate radii on complex cavities

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M26 x 1 A&NF this chuck provides secure grippingThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 4h, M26 x 1 is a precision tool designed to quickly confirm external thread specifications. It serves professionals across manufacturing, maintenance, and quality control roles by enabling fast go no go checks to verify thread size and fit against exact standards. Constructed from hardened steel for durability, it is designed to withstand regular use in busy workshops. Go No Go Quick Check: