M6-M20 Grade 12.9 Alloy Steel Hex NutsInquiry × "" 1 NameEmailProductQuantityYour Message0 / SendPreviousNext Category: Hex Nuts Description Product InquiryNameHex NutsMaterialAlloy SteelSizeM6-M20FinishBlack-OxideStrength GradeGrade 12.9"" 1 NameEmailProductQuantityYour Message0 / SendPreviousNextShare This Tweet Share Plus one Share Related products M3-M16 Aluminum Hex Nuts M4-M27 Titanium Hex Nuts M2-M10 Grade 4.8 White Zinc Plated Hex Nuts M2-M6 Grade 4.8 Black Nickel Hex Nuts