Carmex Thread Mills Solid Carbide - With Through Coolant - Metric - M20 x 2.5 - MT7Engineered for high precision internal threading, Carmex's Solid Carbide Thread Mills with Through Coolant deliver reliable, consistent threads in metric M20 x 2. 5 holes. Designed for MT7 tooling systems, this tool combines carbide durability with efficient chip management for demanding machining environments. Through Coolant Bore: coolant is delivered through the bore to the cutting zone, promoting effective chip evacuation and cooler operation for