Crriage Bolt Standard: DIN603 Surface:z.p,black,hot dip,dacromet Size:5- ... ,6.8, 8.8, 10.9 and 12.9, inperial grade 2, 5, 8 and 103) Can be supplied with different finish ... standards, such as ISO, DIN, AS/NZS, GB, ANSI, BS and special standard according to the drawing