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

【Conveniently keep multiple chucks ready for use】Make tool changes easy by having spare chucks available for different sizes. Changing chucks on the fly can be challenging, but with these collet clamping nuts, you can conveniently be prepared for any tool change. 【High precision and high concentricity】Made from alloy steel/quenched steel, these collet clamping nuts offer high precision and high concentricity. This not only extends the service life of the spindle but also reduces the breakage rate of drill bits, efficient and accurate operations. 【Compatibility and versatility】Designed for ER-type tool holders, tool bars, extension rod nut-fixed drill bits, boring tools, and other tools. These nuts are precision ground and hardened, making them suitable for a wide range of applications in CNC cutting tools, woodworking machinery, and engraving machines. 【Dynamic balancing and noise prevention】All nuts are equipped with dynamic balancing holes, which help prevent wear and reduce noise during operation. This ensures a smooth and quiet working environment, enhancing productivity and precision. 【 for Durable and reliable】Crafted from alloy steel, these collet clamping nuts are built to last. With their excellent durability and reliable performance, they provide a solid grip and secure hold, stability and efficiency in your machining processes.

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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.