... by CMM 5.Smooth surface, Machined Sand casting pressure plate used for industrial clutch and brakes. The O.D. ... fittings, ring flange , electromagnetic steel cover, piston, pressure plate, center plate, wear plate, cylinder, impeller, disc etc.3. Nearly 150 varieties of ... , 8620Stainless steels & Heat resisting steels 303, 304, 309, 314, 316,316L, 410, 420, 17-4PHIron ( all grades)Gray iron, Ductile ...