Tenders for Supply Of Item 1 Bolts M.s. Black Hex Head Round Body With Hex Nuts M.12 X 65 Specn: To Is 1363/1984.property Class Of Bolt Is 4.8 And As That Of Nut Is 5. Item 2 Bolt Ms Black Hex Head Round Body With Hex Nuts M16 Dia X 50mm Long To Is: 1363/1984 First Revision Part 1&3.property Class Of Bolt Is 4.8 And As That Of Nut Is 5. Item 3 Bolts Ms Black Hex.head Round Body With M20 X 90 Mm To Is.1363/84 Part 1:2019 With Property Class 4.6 With Hex.nut To Is.1363/84 Part 3:2018 With Property Class 4.