THE 5-SECOND TRICK FOR 錶鋪

The two need to get the job done. You will likely really need to sharpen much more regularly with HSS. But, I designed a couple of dozen blanks for bezels from 40mm bar, turning work was with carbide, but made use of HSS for parting off, and obtained all twelve parted without having sharpening the Reduce off blade, and had to the touch up my carbid