JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M138 x 1.5 Face Mill Arbors - Through Coolant helping maintain accuracy and minimize

helping maintain accuracy and minimize tool deflection in hard-to-reach areas

it delivers solid durability and better performance under heat

With built-to-order manufacturing and a 24–48 hour despatch window

15 mm precision size for accurate final hole dimensions and tight tolerances

enabling you to optimize workflows and boost productivity in your shop

JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M138 x 1.5 Face Mill Arbors - Through Coolant helping maintain accuracy and minimizeThe JBO Thread Plug Gauge (GO) Metric Fine, Right Hand, 6H, M138 x 1. 5 is a precision go gauge designed to verify internal threads in a wide range of components and assemblies. It helps machinists, inspectors, and quality teams quickly confirm that threaded holes meet the exact size and class required for reliable assembly. Designed for durability and repeatable results, this GO gauge delivers fast, confident checks on threaded holes, supporting