JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - 1/2 x 13 FMH FLH FHH S&E A&NF M&D 3 for smooth

3 for smooth

it helps you complete slots

Finish drilled holes to ISO H4 with the Toolex Stub Type Reamer in HSS-E (M35 cobalt)

With its precise clamping and quick-change capability

reducing tool slip and rework

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - 1/2 x 13 FMH FLH FHH S&E A&NF M&D 3 for smoothThe JBO Thread Plug Gauge is a precise UNC Go No Go tool designed for right hand 1 2 x 13 threads with a 3B tolerance. Its ideal for inspecting threaded holes across manufacturing, automotive, and aerospace applications, ensuring they conform to Unified thread standards. With its go no go design, inspectors can quickly confirm whether a hole meets specification or requires adjustment, helping achieve consistent fits and reliable performance in busy