JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M6 x 0.25 Face Mill Arbors repeatable dimensions for delicate features

repeatable dimensions for delicate features and insert pockets

delivers improved wear resistance and steadier cutting for reliable

while its durable construction stands up to daily use

while the hardened steel body delivers durable

With a left‑hand spiral flute and right‑hand cutting edge

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M6 x 0.25 Face Mill Arbors repeatable dimensions for delicate featuresThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6g, M6 x 0. 25 is a precision inspection tool used to verify external thread diameters on metric fine threads. Designed for engineers, machinists, quality control teams, and workshop staff, it delivers clear, repeatable checks to confirm parts stay within specification, with a NoGo function that flags oversize or out of spec components. NoGo maximum size check: Flags threads that exceed the