JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M13 x 0.5 ER Mini Collet Chucks while the straight shank provides

while the straight shank provides secure seating in standard spindles for repeatable performance across production runs

and contouring in metal workpieces

The straight shank offers secure seating in common tool holders

helping you achieve consistent tolerances and longer tool life

Ball Nose contouring geometry: Enables precise curves and smooth surface finishes on intricate features

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M13 x 0.5 ER Mini Collet Chucks while the straight shank providesThe JBO Thread Ring Gauge (GO) Metric Fine is a precision inspection tool designed to verify external thread diameters and confirm conformance to metric fine thread standards. Its ideal for quality control labs, machine shops, and manufacturing environments where rapid, reliable go no go checks are essential. With its 6g tolerance and M13 x 0. 5 left handed specification, this gauge provides accurate, repeatable results that help keep production on