JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M56 x 2 Hex Key Drill Chuck repeatable hole finishes to ISO

repeatable hole finishes to ISO H4 tolerance

it is a dependable choice for mold and die applications that require fine detailing

Designed for workshop pros and job shops

Coating: Uncoated surface to promote efficient chip evacuation and reduce built‑up edge

Precise ball‑nose geometry: Delivers smooth radii and accurate contours for complex molds and delicate features with consistent surface finish

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M56 x 2 Hex Key Drill Chuck repeatable hole finishes to ISOThe JBO Thread Plug Gauge (GO) is a precision inspection tool built to verify internal metric threads quickly and reliably. Sized for M56 x 2 holes and tuned to the metric fine pitch, this Right Hand GO gauge aligns with the 6H internal thread tolerance to confirm proper engagement, helping machinists, inspectors, and quality teams ensure threaded holes meet exact specifications. Crafted from hardened steel, the gauge resists wear in demanding shop