JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6h - M45 x 4.5 Milling Cutter Arbors Its stub length and straight

Its stub length and straight shank are designed to fit standard tooling setups

it’s built for consistent diameter control and longer tool life in demanding setups

for a precise bore

and repeatable performance across jobs—essential for high-precision applications where every micron counts

and yields consistent hole quality across CNC and manual machining

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6h - M45 x 4.5 Milling Cutter Arbors Its stub length and straightThe JBO Thread Ring Gauge (NoGo) Metric Coarse, Right Hand, 6h, M45 x 4. 5 is a precision inspection tool designed to quickly verify external thread diameters against standard metric coarse threads. Its ideal for engineers, machinists, quality control inspectors, and maintenance teams who need fast, reliable pass fail checks to ensure correct fit and performance of threaded components. Built from hardened steel for durability in demanding