Engineered for precision internal threading, the Carmex Thread Turning Holder is the go-to choice for machinists needing reliable, accurate right-hand internal thread production. Built to work with a wide range of inserts, it delivers stable, high-quality results in demanding workpieces.

• Overall Length: 140 mm to reach tight bores with consistent rigidity.
• Shank Size: 20 mm for solid integration with standard toolholders and fixtures.
• Handedness: Right-hand configuration optimized for internal thread turning.
• Insert Interface: Compatible with 16IR inserts to cover multiple thread profiles and sizes.
• Thread Turning Capability: Precisely engineered geometry for accurate internal thread formation.
• Construction: High-quality, durable build designed to withstand demanding machining conditions.
• Vibration Damping: Built-in stability reduces chatter, improving surface finish and tool life.
• Insert Compatibility: Broad compatibility with a wide range of inserts for versatile threading applications.

Benefits: This toolholder delivers repeatable internal thread quality, with reduced chatter and better surface finish thanks to its stable design and damping characteristics. The 140 mm reach and 20 mm shank fit common machine setups, while the 16IR insert compatibility unlocks a broad spectrum of thread profiles and sizes—minimizing tool changes and downtime. Ideal for precision machining across aerospace, automotive, and general engineering projects where consistent, accurate internal threads are essential.