Tenders for Supply of M 6X18 Full Threaded Hex Head Bolt Grade 4.6 Cadmium Plated With Spring Washer As Per Is-1364/2002 And Special Washer As Per Hitachi Drg.No.1Ot-806-977. It Is Use D For Connection Of Carbon Brushes In Carbon Brush Box. Bolt Washer. Warranty Period: 30 Months After The Date Of Delivery