JBO Thread Plug Gauge - UNC Go-No/Go - Left Hand - 2B - 1 1/2 x 6 FLH this M2 high-speed steel reamer

this M2 high-speed steel reamer is built for dependable

this GO gauge helps you verify thread mating before components are assembled

it resists wear and maintains accurate sizing even after repeated inspections

this GO gauge streamlines threaded-hole inspections

clean cuts on narrow ribs with reduced burrs and consistent edge quality across passes

JBO Thread Plug Gauge - UNC Go-No/Go - Left Hand - 2B - 1 1/2 x 6 FLH this M2 high-speed steel reamerThe JBO Thread Plug Gauge is a dedicated inspection tool designed for left hand UNC threads. It helps you quickly verify threaded holes and plugs against Unified Thread Standards, ensuring proper fit and function across manufacturing, automotive, and aerospace applications. With a go no go design and a durable dual ended body, this gauge delivers fast, reliable checks in busy work environmentsproviding clear pass fail results for 1 1 2 x 6 threads