Applicationt: 
Auto
Production Description:
hex socket bolt
1.Surface:z.p,black,hot dip,
2.Size:6-8*20-400
3.Grade:4.8,8.8,10.9.12.9
hex socket bolt
1) Various kinds of bolts nuts available
2) Can be made with different tensile strength, such as Class
4.6, 4.8, 5.6, 5.8,6.8, 8.8, 10.9 and 12.9, inperial grade 2, 5, 8 and 10
3) Can be supplied with different finish, such as bright, zinc plated, hot-dip
galvanized,mechanical plating, black
4) Can be made with different standards, such as ISO, DIN, AS/NZS, GB, ANSI, BS and
special standard according to the drawing