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