JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M15 x 1.5 RPTECH 29 mm bore size: Enlarge

29 mm bore size: Enlarge and finish holes to a precise diameter with tight tolerances

Left-hand spiral flute with right-hand cutting: Supports efficient material removal

and rely on its robust carbide construction to handle high-hardness workpieces with confidence

better tool life

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M15 x 1.5 RPTECH 29 mm bore size: EnlargeThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 4h M15 x 1. 5 is a precision inspection tool designed to verify external thread diameters quickly and confidently. Ideal for engineers, machinists, quality inspectors, and shop floor technicians, it provides a clear GO check to confirm parts meet the M15 x 1. 5 metric fine thread standard. Built for durability, this ring gauge uses hardened steel and a wear resistant finish to withstand daily use