... A2( SS 304),A4( SS 316)Size:M8-10 Length:16--100mm Color:silver,plainPacking &Delivery:Packing items ... : GB37,DIN,JIS,ANSIGrade:Class 4.8, Class 6.8, Class 8.8, Class 10.9, Class 12.9Size: M(4 ... -33)*(8-100mm)Detailed Description:Hexagon head bolt ... A2(304),A4(316)SizeM(8-10)*(16-100mm)GradeClass 4.8, Class 6.8, Class 8.8, Class 10.9, Class 12.9StandardGB37 ...