Supply Of Hexagonal Head Bolts And Nut Assembled Having Isi Marked Product Grade C, M.s., Black Matl. & Spec. Is:1363 Part - 1/2023 6th Rev. And Is: 1363 Part- 3 / 2018 5th. Rev. Size 10 X 25 Mm. Property Class 4.6 For Bolt And Property Class 5 For Nut..