JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M6 x 0.5 FLH 67 mm: Enlarge holes with

67 mm: Enlarge holes with exact

The tool’s long transition between the shank and neck helps absorb cutting stresses

This Woodruff cutter is a practical choice for both professional shops and serious hobbyists who tackle woodworking assemblies that rely on accurately machined keyseats

It securely clamps the end mill with a rigid grip and features a 90mm gauge length to add stiffness during demanding milling tasks

supporting consistent fitment and dependable performance in assembly and service

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M6 x 0.5 FLH 67 mm: Enlarge holes withThe JBO Thread Plug Gauge is a righthand, metric fine thread plug gauge designed for fast, dependable internal thread inspection. Engineered for M6 x 0. 5 with a 6H tolerance, its Go No Go design lets you quickly determine whether a threaded hole meets spec, ensuring parts fit together cleanly. The gauge is built for durability: a hardened steel core resists wear in daily use, and the knurled grip provides a secure, comfortable hold even when hands