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Er8Er40 Amum Collet Clamping Nuts For Cnc Lathe Milling Router Bit Holder

【Convenient Chuck Replacement】Keep multiple chucks readily available for quick and hassle-free tool changes. Easily switch between different sizes of chucks to meet varying requirements during machining operations. 【Enhanced Precision and Durability】Made of alloy steel/quenched steel, these collet clamping nuts offer high precision and concentricity, effectively extending the lifespan of the spindle and reducing the risk of drill bit breakage. 【Broad Compatibility】Designed for ER-type tool holders, tool bars, extension rod nut-fixed drill bits, boring tools, and other tools, these nuts are and can be used in various applications. 【Balanced and Noise-Reducing Design】All nuts feature dynamic balancing holes that prevent wear and minimize noise, smooth and quiet operation during cutting tasks.

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Features:* Brand new and high quality* Conveniently keep multiple chucks ready for use. Changing chucks on the fly can be difficult, and having a few spare chucks for different sizes can make tool changes easy.* High precision and high concentricity extend the service life of the spindle and reduce the drill bit breakage rate.* Material: alloy steel/quenched steel. Precision ground and hardened. Suitable for ER-type tool holders, tool bars, extension rod nut-fixed drill bits, boring tools and other tools.* All nuts have dynamic balancing holes to prevent wear and noise.Specification:Type: ER collet chuck nutMaterial: alloy steelModel: ER8-A, ER8-M, ER11-A, ER11-M, ER16-A, ER16-M, ER20-A, ER20-M, ER25 UM, ER32 UM, ER40 UM (optional)Color: as shown in the pictureApplication: CNC cutting tools, woodworking machinery, engraving machinesQuantity: 1pcsPackage Included: x ER collet chuck nutNote: .The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2.Please allow slight manual measurement deviation for the data.