The Carmex Screw Clamp Thread Turning External Holder (Left Hand, 150 mm OAL) is built for precise external threading on a range of workpieces, offering dependable performance for professional machinists and shop floors.

• Left-Hand External Thread Turning Holder: Configured specifically for left-handed threading applications to ensure correct tool engagement and cutting direction.
• 150 mm Overall Length (OAL): Provides the reach and stiffness needed for stable external thread turning on longer or larger parts.
• 25x25 mm Shank: Compact, rigid interface that fits standard tooling setups and preserves setup rigidity.
• 22EL Insert Compatibility: Supports 22EL external threading inserts for reliable, repeatable thread profiles.
• ER/EL Insert Compatibility: Flexible integration with ER and EL inserts, expanding threading options without swapping holders.
• U-Type Holder Capability: Designed to accommodate U-Type inserts for optimized positioning and accuracy in challenging geometries.
• 1.5° Helix Angle: Optimizes chip evacuation and cutting efficiency, helping maintain smooth surface finish and steady feed during operation.
• Screw Clamp Retention: Robust clamping mechanism delivers secure, repeatable insert holding under heavy cutting loads.
• Rugged Construction: Built to endure demanding machining environments, delivering consistent stability and long tool life.

This holder focuses on stability, versatility, and precision for external threading tasks. It helps you achieve clean, accurate thread forms with minimal setup adjustments, whether you’re working on steel, alloy, or stainless workpieces. The combination of left-hand compatibility, multiple insert options, and a strong clamping system makes it a dependable choice for job shops and production environments that require reliable performance across varied threading needs. Practical insights: match the insert type to your thread pitch, maintain proper alignment, and use appropriate coolant to optimize finish and tool life.