This kind of blades are specially used in high speed slitting machine line, which are suitable for processing CRC( cold rolled c ... speed slitting machine line, which are suitable for processing CRC( cold rolled coil), HRC (hot rolled coil), acid steel sheet, silicon steel sheet, stainless ... within 0.003mm There' re SKD, SLD, SKH series slitting machine blades we supply, pls kindly email to us know the ...