JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M39 x 2 Face Mill Arbors - Anti-Vibration making it a practical choice

making it a practical choice for workshops that demand reliable

Designed for a broad audience—including engineers

giving teams confidence in every threaded connection

Shank: Straight shank designed for straightforward mounting in standard reaming setups

Hard-wearing carbide with advanced coating: Withstands hard materials up to HRc70 and supports dry

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M39 x 2 Face Mill Arbors - Anti-Vibration making it a practical choiceThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M39 x 2 is a precision inspection tool designed to verify external thread diameters to the NoGo limit for metric fine threads. Ideal for manufacturers, maintenance teams, and inspection labs, it helps you quickly confirm parts meet the M39 x 2 specification and flag non conforming components before they move to production or assembly. Built for durability and dependable performance, this gauge