The Carmex Steel Toolholder with Internal Coolant for CMT Inserts – SRC1212E is a robust vertical milling toolholder designed to drive precision across threads, grooves and chamfers. Built for production environments, it pairs a steel body with a Weldon shank and an integrated coolant bore to deliver reliable accuracy and smoother finishes when using CMT’s ground-profile inserts.

• Internal coolant bore for cleaner cuts: Delivers through-tool coolant directly to the insert interface, reducing heat and built-up edges for better surface finish and longer insert life at higher machining parameters.
• Rigid weldon shank with precise clamp: Provides solid, repeatable clamping that minimizes runout and vibration, ensuring consistent thread and groove profiles job after job.
• One-insert RH/LH versatility with ground-profile inserts: The same ground-profile inserts support both right- and left-hand threads, delivering high precision and simplifying setup and inventory while maintaining reliable performance.

Designed to streamline workflows, this toolholder helps you achieve repeatable, high-quality results with fewer tool changes. The combination of a durable steel body, through-tool coolant, and a precise clamping system enables faster setups, cleaner finishes, and dependable performance across demanding vertical milling applications.