Equally must perform. You will likely really have to sharpen far more regularly with HSS. But, I produced a few dozen blanks for bezels from 40mm bar, turning work was with carbide, but applied HSS for parting off, and acquired all twelve parted without the need of sharpening the Slice https://patekphilippe30482.articlesblogger.com/57297588/not-known-facts-about-名錶