Truthread Plug Thread Gauge (D/E) - UN - Right Hand - 2B - 1.3/8x8 SPIRALMILLHOLDER The Carmex Swiss Line Insert

The Carmex Swiss Line Insert is designed to streamline Swiss‑type workflows across external grooving

repeatable results for detailed profiles and pockets

Flute direction: Spiral

The combination of a left-hand spiral flute for efficient chip evacuation

pushing chips forward for smooth tapping in through-holes and challenging surfaces

Truthread Plug Thread Gauge (D/E) - UN - Right Hand - 2B - 1.3/8x8 SPIRALMILLHOLDER The Carmex Swiss Line InsertThe Truthread Plug Gauge (D E) UN Right Hand 2B 1. 3 8x8 is a precision internal thread gauge designed to verify threaded holes against UNC, UNF, and UNEF standards. Sized for 1. 3 8x8 right hand threads, it delivers quick, accurate checks in machining, assembly, and quality control environments. Featuring a tapered gauge tip and a robust handle, this plug gauge inserts smoothly into threaded holes for repeatable readings. Crafted to tight 2B