JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 4H - M52 x 2 Boring Bar Blank repeatable performance in your tapping

repeatable performance in your tapping tasks

and a precise 0

Designed to deliver consistent results across production runs

accurate hole finishing to DIN 212‑B with ISO H5 tolerance

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 4H - M52 x 2 Boring Bar Blank repeatable performance in your tappingThe JBO Thread Plug Gauge (GO) Metric Fine Right Hand 4H M52 x 2 is a precision Go gauge designed to verify the acceptability of internal threads in threaded holes. It helps machinists, inspectors, engineers, and quality teams quickly confirm that a hole will accept a mating part that meets the M52 x 2, 4H metric fine specification. Crafted from hardened steel, this gauge delivers durable performance in busy workshops and demanding environments. Its