... .MS,CS,SS Stud Bolts & Nuts Size 1/2"-2" Specification ASTM A193 B7/B16/B8M;ASTM A194 2H ... , class 4.8, class 8.82. UNC, 2A, grade 2, grade 5, ASTM A193 B73. Size: M6 to M50 or 1 ... .8, ASTM A194 Gr. 8MSpecification: ANSI B 18.2.2WASHER Flat washer and Spring WasherMaterial: Carbon Steel and ... Notice: Please lets know the Size, quantity, Material or Grade, surface If it is special and Non-standard products, ...