JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - 1 1/8 x 7 Widin New 3 mm to 25

3 mm to 25

The reliable construction supports longer tool life and stable performance

you get repeatable pocket sizes and accurate mold features across jobs

spiral‑flute reamer designed for reliable

The M2 high-speed steel construction offers durability for routine use

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - 1 1/8 x 7 Widin New 3 mm to 25The JBO Thread Plug Gauge is a precision inspection tool designed to verify internal UNC threads in holes. Sized for UNC 1 1 8 x 7 righthand threads with a 2B tolerance, it ensures holes meet standard dimensions for reliable fitment in manufacturing, automotive, and aerospace applications. Its go no go design lets you quickly identify conforming and non conforming threads, speeding up quality checks and reducing rework. Go No Go Design for Fast