Truthread Plug Thread Gauge (D/E) - UNEF - Right Hand - 2B - 1.3/8x18 Alinco Left-hand spiral flute with right-hand

Left-hand spiral flute with right-hand cutting (DIN 8093

Durable HSS (M2) construction with a straight shank: Built for longevity and secure chucking in hand tools

while the combination of down‑cutting flute geometry and carbide hardness supports durable

36mm is an intermediate precision carbide reamer (k10) designed for through-coolant reaming

Flute count: 5–8 flutes designed to boost material removal and shorten cycle times during threading

Truthread Plug Thread Gauge (D/E) - UNEF - Right Hand - 2B - 1.3/8x18 Alinco Left-hand spiral flute with right-handThe Truthread Plug Thread Gauge (D E) UNEF Right Hand 2B 1. 3 8x18 is a precision internal thread gauge designed to verify threaded holes against the Unified National Extra Fine standard. Built for the 1. 375 inch diameter, 18 threads per inch size, this gauge helps ensure accurate checks for UNEF threads in right handed holes. It is a reliable tool for engineers, inspectors, machinists, and maintenance professionals who need repeatable, dependable