JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M17 x 1 Boring Bar Blank enabling precise dimensions in deep

enabling precise dimensions in deep grooves and hard-to-reach cavities

Diameter: 63 mm cutting diameter for efficient slotting in mid-sized workpieces

The straight flute configuration reduces deflection under load

This DIN 212-B tool delivers dependable hole finishing with ISO H5 tolerance (D)

Right-hand orientation with 6H tolerance: simplifies alignment and delivers repeatable

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M17 x 1 Boring Bar Blank enabling precise dimensions in deepThe JBO Thread Plug Gauge is a precision instrument designed to verify metric fine threads with ease. Ideal for engineers, machinists, quality control teams, and dedicated hobbyists, it provides a fast Go No Go check to confirm threaded holes meet exact tolerances. With a right hand orientation and a M17 x 1 fine thread specification at 6G, this gauge delivers reliable, consistent results in tight tolerance assemblies. Go No Go quick verification: