JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M18 x 2 Face Mill Arbors - Through Coolant and ISO H4 tolerance for

and ISO H4 tolerance for stable alignment and predictable results

while the option to select different sizes

The tool is engineered to maintain edge integrity and cutting performance across extended machining sessions

This 4-flute long-length end mill features a 1

promoting accurate alignment and a smooth surface finish

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M18 x 2 Face Mill Arbors - Through Coolant and ISO H4 tolerance forThe JBO Thread Plug Gauge is a precision tool designed for metric fine threads, helping machinists, engineers, and quality inspectors quickly verify the internal threads of holes to ensure a proper, reliable fit in assemblies. Its Go No Go design streamlines inspection, reducing guesswork and speeding up quality checks in busy work environments. Designed for right hand threads with a 4H tolerance, this gauge is specifically calibrated for M18 x 2