Designed for deep internal threading with a precise, repeatable result, the Carmex Thread Turning Holder Standard – Internal, Left Hand provides a robust, left-handed solution that accepts U-Type inserts for secure, accurate cutting in bores and cavities.

• Left-Hand Internal Threading Holder: Optimized for left-handed internal threading operations, enabling efficient production without tool flips.
• 350 mm Overall Length (OAL): Long reach to reach deep bore surfaces while maintaining rigidity and stability.
• Shank Size: 50
• 22UIL Insert Compatibility: Designed to pair with 22UIL inserts for reliable seating and consistent thread geometry.
• U-Type Holder Compatibility: Engineered to work with U-Type inserts, ensuring a secure, precise interface for clean cuts.
• 1.5° Helix Angle: Helical angle optimizes chip evacuation and lowers cutting forces for smoother threading transitions.
• Screw Clamp Design: Secure clamping mechanism that promotes quick setup changes and minimizes insert shift during operation.

In practice, this holder delivers stable performance across internal threading tasks on various materials, helping to achieve accurate thread forms, clean bore finishes, and improved cycle times. The combination of left-hand threading capability, long reach, and dependable insert compatibility makes it a reliable foundation for internal threading operations in production environments.