JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - 1/2 x 13 Morse Taper Adaptor and is specified for through-coolant

and is specified for through-coolant applications to maximize chip removal and surface quality

you gain faster changeovers

backlash-minimized connection between the spindle and face milling cutter that reduces runout and supports consistent surface finishes

this reamer shortens overall production time and lowers the risk of rework on precision components

Flute direction: Left‑hand spiral flute with right‑hand cutting for efficient chip removal and stable cutting

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - 1/2 x 13 Morse Taper Adaptor and is specified for through-coolantThe JBO UNC Go No Go Thread Plug Gauge is a precision inspection tool designed to verify 1 2 x 13 Unified National Coarse (UNC) threads in holes and threaded bores. Its ideal for engineers, machinists, quality teams, and shop floor technicians across manufacturing, automotive, and aerospace who need fast, dependable thread checks. With its go no go design and a 2B tolerance class, this right hand gauge delivers reliable pass fail results that help