Carmex Thread Mills Solid Carbide - With Through Coolant - Metric - M14 - M18 x 1.5 - MT7The Carmex Thread Mills Solid Carbide with Through Coolant (MTB line) is a precision metric thread milling tool engineered for CNC production. It delivers reliable, accurate threads with the advantage of coolant flowing directly through the bore to the cutting zone for better heat management and chip control. Threading range: Metric threads from M14 to M18 x 1. 5, covering a wide range of common threading applications. Through coolant bore: Integrated