JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M39 x 2 Face Mill Arbors - Anti-Vibration while the AcuRea coating lowers

while the AcuRea coating lowers friction and heat generation to preserve accuracy over extended use

enabling rapid inspections and reduced downtime in quality control workflows

Rugged hardened steel construction: Built to withstand daily shop wear

Compatibility: Flexible with a wide range of machining setups and holders

This tool features a 12 mm diameter with a corner radius of R0

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M39 x 2 Face Mill Arbors - Anti-Vibration while the AcuRea coating lowersThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 4h, M39 x 2 is a precision inspection tool designed to verify external thread diameters for metric fine threads. Ideal for engineers, machinists, quality teams, buyers, and workshop professionals, it helps you quickly determine whether a threaded component meets the required size tolerance. Crafted from hardened steel, this NoGo gauge delivers exceptional durability and wear resistance, making