Galvanized Iron Slotted Hexagonal Head B [ Galvanized Iron Slotted Hexagonal Head Bolt of size M6 X 40 mm fully threaded with hexagonal Nut as per IS 1364- 2002, with suitable 2 Nos. of flat washers as per IS: 2016- 1967 and 1 No. of Spring Washer as per IS: 3063- 1972. Material should be supplied in assembled condition. ]