Carmex Thread Mills Carbide - Single Point - 55 Degree Partial - x (20-14) - MT11Carmex Thread Mills Carbide Single Point 55 Degree Partial is a precision threading tool engineered for deep pocket applications, delivering reliable internal and external threads with tight control and repeatable results. 55 partial profile threading: specialized geometry optimized for threading deep parts while maintaining accurate thread form. Internal and External threading: versatile capability that covers both male and female thread applications