... Treatment: HDG, Zinc, Black... Carbon steel: Grade/class 4.8, 5.8, 8.8, 10.9, 12.9... Stainless steel: SS201, SS304, ... #,35#M12-M30HRC28-HRB9815MnVB8H35#HRC22-HRB95washer 45#,35#12-30(mm)HRC35-45 Engineering caseBabcock & Wilcox,USAPrairie State ... . size: 25" max.Grade: Metric size: 4.8,5.8,6.8,8.8,10.9, A2,A4 Inch.size: Gr2, Gr5,Gr8 ... /32-2.13/64 M22*65 7/8-2.11/20 M24*75 15/16-3 Above is the sizes ...