Automatic Straight Shank C20 C25 C32 APU16 APU13 Tool Holder Drill Chuck CNC Integrated Self-tightening Lathe Tool Holder Lathe Accessories(Black,C20-APU13)

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• [HIGH PRECISION]This high-performance milling tool holder features excellent concentricity, enabling the tool handle to bear substantial load with stable operation. Whether paired with a Lathe Chuck, end mill holder, or Shank Shell, it ensures cutting accuracy at high speeds across various Lathe Accessories.
• [QUALITY]Manufactured with vacuum quenching and carbonitriding treatment, the Milling holder achieves superior surface hardness, stronger fatigue resistance at the interface, and long-lasting wear protection—ideal for professional machining setups.
• [PRECISION MANUFACTURING]The optimized balance design with dynamic balancing structure reduces eccentricity and cutting vibration during high-speed operations. This makes it a reliable solution for demanding applications using a milling tool holder or end mill holder in precision machining environments.
• [LONG-LASTING STABILITY]Complete body finishing and finely ground inner bore enhance the stability and gripping force of the holder, supporting long-term accuracy and performance under heavy-duty milling or turning tasks.
• [PROFESSIONAL DESIGN]The thread surface is smooth, and the screws and nuts fit tightly to prevent tool slippage and cutting tool wear, extending the lifespan of both the Lathe Chuck and Shank Shell systems it pairs with.