Tenders for Supply of Galvanised Iron Slotted Hexagonal Head Fully Threaded Bolt Of Size M5 X 20 Mm As Per Is: 1364- 2002. Galvanised Iron Slotted Hexagonal Head Fully Threaded Bolt Of Size M5 X 15 Mm With Hexagonal Nut As Per Is 1364-2002 With 01 Nos. Of Flat Washer Of Size Od - 13 Mm, Id - 5 Mm, Thickness - 1 Mm As Per Is: 2016-1967 And 01 No. Spring Washer As Per Is: 3063-1972