This high-quality Big ACCU 412 Cap tapping head is perfect for all your tapping needs. The head is capable of tapping M4-M12, and comes with an MT2 shank for easy attachment to your machine. Made with precision and care, this tapping head is sure to provide you with the accuracy and efficiency you need for your metalworking projects. With a Head/Holder Type of Tapping Head Shank, you can trust that this tool is designed with your needs in mind. This product is of Unknown Country/Region of Manufacture. Order now and experience the quality of Big ACCU!