Carmex Thread Turning Internal Insert - Round - Right Hand - 16IR8RDBLU Hex Key Drill Chuck Optimized flute geometry for stable

Optimized flute geometry for stable

46 mm size with H5 tolerance on a straight shank: Provides an exact final diameter with tight tolerance and easy compatibility with standard toolholders for quick setup

HSS‑E substrate: High-speed steel with cobalt for added toughness and wear resistance in demanding materials

so inspectors can perform repeatable checks with minimal effort

43 mm diameter targets specific bore sizes with consistent results

Carmex Thread Turning Internal Insert - Round - Right Hand - 16IR8RDBLU Hex Key Drill Chuck Optimized flute geometry for stableThe Carmex Thread Turning Internal Insert (Round, Right Hand, 16IR8RDBLU) is a precision cutting insert designed specifically for internal threading. Ideal for engineers, machinists, buyers, tradespeople, hobbyists, and production environments, it delivers reliable, consistent thread formation in bore applications. Built to handle a broad range of thread standards and applicationsfrom straightforward to highly demanding projectsthe insert helps you