... .p,black,hot dip,etc 3.Size:6-8*20-400 4.Grade:4.8,8.8,10.9.1 DIN931/933 HEX BOLT1) Various ... 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 103) Can be supplied with different finish ...