Carmex Thread Mills Solid Carbide - With Through Coolant - NPTF - 1/8 x 27 - MT7

Carmex’s solid carbide thread mill designed for through-coolant operation delivers reliable, precise NPTF threads in tight holes. Built for machinists who demand durable tooling and cleaner chip evacuation, it’s ideal for high-accuracy internal threading in challenging materials.

• Through-Coolant Bore: Coolant flows through the bore to flood the cutting edges, flushing chips and reducing heat for consistent thread quality.
• Solid Carbide Construction: Provides high rigidity and wear resistance to maintain accurate thread profiles over many cycles.
• NPTF Internal Thread Milling: Precisely forms National Pipe Thread Fittings (NPTF) threads in counterbores and deep pockets with minimal deviation.
• Size and Shank: 1/8" cutting diameter with 27 TPI; MT7 shank ensures compatibility with standard high-performance CNC setups.
• Optimized Geometry: Ground to balance stability and finish, enabling clean, consistent threads even in tough materials.

This tool extends life and performance by combining Carmex’s MT lineage with MTB’s through-coolant capability. Expect improved chip control, higher usable speeds and feeds, and reliable, repeatable NPTF threads across production runs. It’s a smart choice for precision shops focused on small-diameter internal threads in metals where heat and chip buildup can compromise quality. For best results, pair with a compatible through-spindle coolant system and adopt gradual cutting parameters to establish a pristine thread profile from the first pass.