Supply of Fasteners Set Used In Q Type Relay. As Per The Annexure- A Non Magnetic Stainless Ste El Is-6603X04 Or 10632. Only Valid Iso 9001Qms Certificate And Those Firms Who Are Included In Rd So Approved Quality Assurance Plan Of Q Series Relays Of S&T Workshop Byculla Are Eligible To Quote. Warranty Period: 30 Months After The Date Of Delivery