FLANGE NUTS DIN 6923-YZP Technical Specification Materials: Low Carbon Steel, Alloy Steel & Stainless Steel(18-8, A2-70) Size: M3 to M20 Grade: Class 5,Class 6, Class 8, Class A2 Finish : White/Blue/Yellow Zinc Plated Features High Grade Raw Material Dimensionally Accurate Corrosion & Abrasion Resistant PPAP Requirements