JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M3.5 x 0.25 FLH it ships in a typical

it ships in a typical 24–48 hour despatch window

2-flute design for versatile cutting: Enables deeper cuts and efficient material removal in mold and die work

Intermediate precision HSS (M2) super long series taper shank Reamer

smooth holes with confidence

With its robust construction and precise seating

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M3.5 x 0.25 FLH it ships in a typicalThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 6h, M3. 5 x 0. 25 is a precision Go gauge designed to verify external thread diameters to metric fine standards. Its ideal for machine shops, quality control labs, and field service where quick, reliable checks keep production moving. Crafted from hardened steel, this gauge withstands daily wear in busy workshops and maintains accuracy across many checks. Precise metric fine thread verification: