JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 6g - M42 x 4.5 Endmill25 paired with a 2-flute ball

paired with a 2-flute ball nose to produce smooth

Carbide-tipped for long life: The K10 carbide tipresists wear and maintains accuracy

Its robust construction and coated performance deliver dependable results in challenging machining scenarios

you get reliable performance across a range of mold and die applications

005 mm): Ensures accurate bore size with a tight and predictable range

JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 6g - M42 x 4.5 Endmill25 paired with a 2-flute ballThe JBO Thread Ring Gauge (GO) Metric Coarse, Right Hand, 6g, M42 x 4. 5 is a precision tool designed for reliable go no go verification of external threads. Its ideal for machinists, inspectors, and quality teams who need fast, accurate checks to ensure fasteners and components meet exact specifications. Made from hardened steel, this GO gauge delivers exceptional durability for everyday use in busy shops and QC labs. Its straightforward design