JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M30 x 1 FHH standard length: Fits standard toolholders

standard length: Fits standard toolholders for quick setup and repeatable accuracy

The straight shank simplifies setup and alignment in common chucks and collets

The left‑hand spiral flute working with right‑hand cutting provides stable cutting action and efficient chip removal

this end mill helps you complete molds and dies with fewer passes

Its precise tolerance and flute configuration help reduce rework

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M30 x 1 FHH standard length: Fits standard toolholdersThe JBO Thread Ring Gauge GO Metric Fine (Right Hand, 4h, M30 x 1) is a precision inspection tool designed to quickly and reliably verify external thread diameters. Ideal for quality control labs, manufacturing floors, and service shops, this GO gauge helps confirm that threaded components meet exact size and pitch specifications before assembly or installation. Crafted from hardened steel, the GO gauge delivers durable, long lasting performance in