JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - No. 12 x 24 G resisting wear and maintaining accuracy

resisting wear and maintaining accuracy across many measurements

55 mm taper-shank reamer made from M2 high-speed steel

By delivering stable toolholding with tight runout and robust engagement

Flute: Left‑hand spiral flute with right‑hand cutting for efficient chip evacuation

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - No. 12 x 24 G resisting wear and maintaining accuracyThe JBO UNC Thread Plug Gauge is a precision inspection tool designed to verify internal threads quickly and reliably. Its a practical choice for machinists, quality inspectors, and assembly teams in manufacturing, automotive, and aerospace environments. Equipped with a right hand UNC configuration, 2B tolerance, and No. 12 x 24 sizing, this gauge provides fast, repeatable go no go checks that confirm threaded holes meet Unified thread standards. Go