... Black 4Certificate:ISO9001:2008,SGS Fasteners M30*100,150 black half thread hex head bolts ... Details of the product:1Materials: Carbon steel 2Size: M30*100,150 3Standard: AS, ASTM, DIN, JIS, GB, ... U.S.A., Canada, Cuba, Germany, Japan, Singapore, Malaysia and Africa and so on.Pictures:1.certificate: ... honorary certificates:3.product: M30*100,150 Black hex boltsM27*90,100,110,120 Black hex head bolts4 ...