Carmex Thread Turning Holder Standard - Internal - Left Hand - 250mm OAL - 16IL Insert - 32 Shank Size Tiny Tool Inserts The intermediate precision carbide (k10)

The intermediate precision carbide (k10) construction provides reliable performance across common engineering materials

The left-hand flute aids chip evacuation and keeps cutting forces predictable

burr‑free finish in a range of steels and alloys

12mm is a high-precision finishing tool designed to bring holes to ISO H4 tolerance with a robust HSS-E (M35 cobalt) composition and a straight shank for easy mounting in standard toolholders

and enhance overall workflow confidence

Carmex Thread Turning Holder Standard - Internal - Left Hand - 250mm OAL - 16IL Insert - 32 Shank Size Tiny Tool Inserts The intermediate precision carbide (k10)The Carmex Thread Turning Holder Standard for Internal threading is a precision tool designed for machinists who need reliable lefthand internal threads with consistent results. Built for deep bore work, this 250 mm overall length holder pairs with a 16IL insert and a 32 shank size to deliver steady performance in demanding threading applications. Left Hand internal threading configuration: specifically engineered for lefthand threads to ensure