40mm Collet Chuck Holder, ER20 Steel Milling Support

【ER20 Clamping Range】 This collet chuck holder supports ER20 collets with a clamping range of 1 to 13 mm. It fits drills, milling machines, and lathes for routine machining tasks. 40 Steel Construction: Made of 40 steel with a hardening treatment, this milling chuck holder offers high hardness and crack resistance. Suitable for repeated use in CNC milling setups. 【Precision Manufacturing】 Built with precision manufacturing for stable holding and consistent operation. The compact size makes this collet chuck holder easy to transport, store, and install. 【Wide Machine Compatibility】 Designed for drills, milling machines, lathes, and small machine tools. Useful for benchtop repair and wood lathe collet chuck applications. 【Machining Setup】 【Efficient】 This milling chuck support helps reduce the need for extension tools in certain configurations. A practical choice for improving machine layout and daily operational efficiency.