JBO Thread Plug Gauge - UNEF Go-No/Go - Right Hand - 2B - 1/2 x 28 Endmill25 and better surface finishes across

and better surface finishes across each operation

reducing rework and ensuring interchangeability across parts

DIN 8093 / ISO H4 tolerance: Delivers tight bore size control and reliable interchangeability across tools and batches for repeatable production results

and pockets in mold and die applications where detail

Using this reamer helps you finish holes to precise dimensions with fewer adjustments

JBO Thread Plug Gauge - UNEF Go-No/Go - Right Hand - 2B - 1/2 x 28 Endmill25 and better surface finishes acrossThe JBO Thread Plug Gauge is a precision internal thread gauge built for fast, reliable hole inspections. Sized for UNEF 1 2 x 28 threads and 2B tolerance, this Go No Go gauge helps technicians quickly verify that threaded holes meet specification without guesswork, making setup and quality control more efficient. Fast Go No Go verification: Two ends deliver instant acceptance or rejection for each hole, dramatically reducing inspection time and