1、Efficient And Reliable: The threaded drill chuck arbor's threaded design allows for quick and secure attachment to spiral drill clamp heads, providing efficient drilling and reliable connection. 2、Easy Installation: The straight threaded drill chuck arbor features a simple design that allows for easy installation and removal. You can simply twist and lock it into place for a secure connection. No complicated tools or additional equipment required. 3、Good Compatibility: This straight shank threaded arbor is compatible with flat tail spiral drill clamp heads, offering versatility for various drilling applications. Whether you're working on wood, metal, or other materials, this connecting rod is a reliable choice 4、Good Performance: This high speed steel drill chuck arbor delivers accurate drilling performance. It provides stability and control, allowing you to maintain a steady drilling motion for consistent results. 5、Durable And Long Lasting: Crafted with excellent high speed steel materials, this drill chuck arbor is built to withstand heavy duty use. It offers exceptional durability and long lasting performance, making it a reliable tool for both professional contractors and DIY enthusiasts.