JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M102 x 2 ER Collet Chucks The carbide tip handles tougher

The carbide tip handles tougher materials with less wear

delivering consistently predictable results in manufacturing

secure mount on standard DV40 machines

helping maintain consistent finishes over multiple passes

repeatable size control that delivers accurate hole dimensions with minimal finishing across parts

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M102 x 2 ER Collet Chucks The carbide tip handles tougherThe JBO Thread Ring Gauge (NoGo) is a precision external thread gauge designed for metric fine sizes. Its specifically configured for right hand M102 x 2 threads and functions as a NoGo check to ensure your parts dont exceed the maximum allowed diameter. Weighing just 6 g and built from hardened steel, this gauge delivers reliable performance in busy workshops, inspection labs, and production lines. Its compact form and durable construction let you