... tolerance CT7 We adopt investment process produce wear parts, including welding bucket and adapters,side cutters, tips, pins and locks for ... , DH280-A-B, DH330, DH55V4) Hitachi: EX200-5, EX300, EX4005) Kobelco: SK200, SK220, SK230, SK3206) Hyundai: XD200, XD210, XD450, R9427) Demark ...