All part must stamp A4-80 as required Grade A4-80 Kindly advice sample mill certificate GRADE SS A4-80 SIZE: M20X40 DIN 933 qty: 64 pcs GRADE SS A4-80, SIZE: M10X40 "DIN 7991 qty: 64 Pcs. GRADE SS A4-80, SIZE: M10X30 "DIN 7991 qty: 64 Pcs. PALNUT, DIN 7967, EN ISO EN-ISO-3506-2, GRADE SS A4-80, SIZE: M22 "Certificate Type-->"EN10204 2.2 : 128 Pcs. GRADE SS A4-80, SIZE: M6 DIN125 (HV200) qty: 320 pcs GRADE SS A4-80, SIZE: M10 DIN125 (HV200) qty: 176 pcs GRADE SS A4-80, SIZE: M20 DIN125 (HV200) qty: 256 pcs GRADE SS A4-80, SIZE: M22 DIN125 (HV200) qty: 128 pcs HOT DIPPED GALV. SOCKET CAP DIN 912 M20X 50 GR8.8 qty: 16 pcs HOT DIPPED GALV. SOCKET CAP DIN 912 M20X 80 GR10.9 qty: 16 pcs