Carmex MTZ carbide thread mills with through coolant are designed for high-precision BSPT threading in through-hole applications. Built for MT7 tool holders, these mills deliver coolant directly to the cutting edge, enabling smooth cutting and reliable results even when an external coolant supply isn’t available.

• Material: Solid carbide construction for exceptional wear resistance and stable thread profiles across demanding materials.
• Through‑coolant flutes: Integrated coolant paths run through the flutes to the cutting edge, improving heat management and chip evacuation.
• Through-hole threading focus: Specifically optimized for threading through holes with direct chip removal, minimizing burrs and scrap.
• BSPT threading range: Supports BSPT threads from RC1/4 to RC3/8 x 19, enabling precise, repeatable production of common BSPT configurations.
• MT7 shank compatibility: Designed to fit standard MT7 tool holders for quick, secure integration into existing CNC setups.
• Machine flexibility: Effective on machines without external coolant systems, reducing setup constraints and enabling consistent performance.

This MTZ solution pairs robust carbide construction with an innovative through-coolant design to deliver consistent thread quality, longer tool life, and streamlined operations. The direct coolant delivery minimizes thermal distortion and helps maintain tight tolerances on BSPT threads, while the through-hole focus and efficient chip removal support high-throughput machining in manufacturing, aerospace, hydraulic, and fluid-handling applications. Whether you’re upgrading a legacy machine or optimizing a modern CNC cell, these thread mills provide reliable performance where precision threading matters most.