... C67, 1075 3)Usage: shutter spring, band saw, clutch,ect Steel coil:1) Color: white yellow, blue, grey2) Used for producing ... , clockwork spring, band saw, darby, deep draw, barrette, chemical industrial mechanism, textile, standard parts and blade 3) Superior in flatness ... , stability, useful material coefficient and surface smoothness4) Various steel grades: (0.18-2.5) mmx (10-270)mm5) ...