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

【Conveniently keep multiple chucks ready for use】 for ensure easy tool changes by having spare chucks of different sizes readily available for use. Changing chucks on the fly can be a hassle, but with multiple options on hand, it becomes a seamless process. 【High precision and high concentricity】Crafted with precision from alloy steel/quenched steel, these collet clamping nuts for ensure high concentricity and precision, effectively extending the lifespan of your spindle and reducing drill bit breakage. 【Suitable for various tools and holders】Designed for ER-type tool holders and tool bars, these nuts are also compatible with extension rod nut-fixed drill bits, boring tools, and other tools. They provide a solution for multiple machining needs. 【Dynamic balancing holes for reduced wear】All nuts in this set are equipped with dynamic balancing holes, which effectively prevent wear and minimize noise during operation. This ensures a smooth and efficient cutting experience. 【Wide application】 for CNC cutting tools, woodworking machinery, and engraving machines, these collet clamping nuts offer reliable performance in various applications. They are a must-have for professional machinists and woodworking enthusiasts.

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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.