delivering consistent bore sizes to ISO H4 tolerance on steel
so inspectors can perform repeatable checks with minimal effort
The combination of HSS-E composition and a 90° shallow countersink angle helps you achieve precise edge finishes with minimal effort
Tapered neck for greater rigidity and stability: The gradual narrowing of the neck increases rigidity during deep groove milling
09 mm diameter and M2 high‑speed steel
Carmex Thread Turning Internal Insert - Round - Right Hand - 16IR8RDBLU Hex Key Drill Chuck delivering consistent bore sizes toThe 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