... A2(SS304)A4(SS316) Standard: GB37,DIN,JIS,ANSI Advantage:Mainly used in the solar ... to the quantitySpecifications:Name:T-boltsStandard: GB37,DIN,JIS,ANSIGrade:Class 4.8, Class 6.8, ... , Class 10.9, Class 12.9StandardGB37,DIN,JIS,ANSIColorsilver,plainTechnology:cold forging,heat treatment,Packing:in bulk ... the production variety of the screws,bolts,nuts,washer and relative hardwarePhotoes as following: T ...