JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M21 x 0.75 Face Mill Arbors - Anti-Vibration Tip geometry: Ball nose end

Tip geometry: Ball nose end mill for smooth curves

Omega DV50 Milling Cutter Arbor with MCA16 threading and a G2

while the long neck provides the reach needed for deep grooves without compromising rigidity

Pitch: Fine-pitch geometry supports stable chip load and helps achieve a cleaner surface finish in challenging materials

A dependable choice for production and prototype work that demands repeatable

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M21 x 0.75 Face Mill Arbors - Anti-Vibration Tip geometry: Ball nose endThe JBO Thread Ring Gauge (NoGo) Metric Fine is a precision inspection tool designed to verify external thread diameters. It serves engineers, inspectors, machinists, and maintenance teams across manufacturing, automotive, and industrial environments, helping you confirm that threaded parts meet the specified size. Crafted from hardened steel, this gauge delivers durable wear resistance and long service life in demanding work environments. Its user