Carmex Thread Mills Carbide Drill Mill - UN (UNC UNF UNEF UNS) - x 16 - MT7 Hydraulic Expansion Chucks Left‑hand spiral flute for smooth

Left‑hand spiral flute for smooth chip evacuation: The flute design moves chips away from the cutting edge

5xD deep‑reach design: Enables deeper holes with maintained stability and accuracy

The 4-flute design promotes efficient material removal and a cleaner finish

The Wiseman Threading Tools Metric Fine HSS Hand Tap Set is crafted from high-speed steel and ground for accuracy

Extended Reach with Long & Extra-Long Length: Provides access to deep pockets and tight features without compromising rigidity or cut quality

Carmex Thread Mills Carbide Drill Mill - UN (UNC UNF UNEF UNS) - x 16 - MT7 Hydraulic Expansion Chucks Left‑hand spiral flute for smoothThe Carmex MTD Thread Mill combines drilling, chamfering, and threading into a single operation for machinists producing UN thread forms. Built for high volume work, this carbide tool reduces the number of steps required to create internal threads while maintaining reliable surface quality. Single Pass Operation: Drills, chamfers at 45, and mills threads in one continuous cycle, eliminating separate tool changes. Two Fluted Design: Provides stable