Carmex Thread Mills Solid Carbide - With Through Coolant - NPS - 1/8 x 27 - MT7The Carmex MTB Solid Carbide Thread Mill with Through Coolant is engineered for precision threading in CNC environments, specifically for engineers and machinists who demand clean, accurate 1 8" 27 NPS threads using a rigid MT7 shank. Through Coolant Bore: coolant is delivered through the tool bore to flush chips from the hole and keep cutting edges cool, enabling deeper or more complex threads with reduced risk of chip clogging. Solid Carbide