... Grade:4.8,6.8,8.8 4. Standards: DIN933/931 Hex Bolts and Nuts1. Material: 35k,q235, c10102 ... 4.8,6.8,8.84. Standards: DIN933/931/960/961/558Productname:DIN933/DIN601/ISO4017 hex head boltGrade:4.6, ... 4.8,5.6,5.8,6.8,8.8Size:M6*16-150 M8 ... 8Finish:plain,black,zinc plated(yellow,blue)Size: M8*55-120 M10*60-120 M12*60-120 M14 ... ensure good qual ity DIN934 hex nuts m8