In the field of mechanical processing, with the continuous innovation of technology, milling cutters as key cutting tools continue to evolve, among which end mill heads have undergone many changes. From initially simple designs, it has gradually developed into precision components that combine high precision and high performance to meet increasingly complex machining needs. The seemin... https://www.china-end-mill.com/What-is-the-helix-on-an-end-mill.html