Gem Bids For Hex Head Screw M6x12 To Is: 1364-s-6.6, Washer24.01. 019/24.02. 019 Gost; 11371-78, Split Pin/cotterpin 4x25.019 Gost: 397-79. Eqvt. Material: Split Pin4x25, Is: 549, Zinc Plated 9 M, Cotter Pin 4x40.019gost: 397-79 Or Split Pin 4x40 To Is: 549, 9 Micronsthick Zinc Plated.