Truthread Plug Thread Gauge (D/E) - UN - Right Hand - 2B - 1.3/8x20 DIN5480 making it a dependable choice

making it a dependable choice for your shop workflows

Left-hand spiral flute with right-hand cutting: Optimized flute geometry provides smooth cutting action and excellent surface finish across a range of materials

1/2x6 is a straightforward

Maintain steady pressure and speed — apply even

3 to tailor precision and stability to your application

Truthread Plug Thread Gauge (D/E) - UN - Right Hand - 2B - 1.3/8x20 DIN5480 making it a dependable choiceThe Truthread Plug Gauge for UN threads is a precision tool designed to check the internal threads of holes. Sized for a 1 3 8 x 20 nominal thread and built to the UN family standards, it covers UNC, UNF, and UNEF with a single, reliable gauge. This Right Hand, 2B class plug gauge is ideal for engineers, machinists, inspectors, and buyers who need fast, trustworthy thread verification in production, maintenance, or QC workflows. Its tapered design