... 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, GOST, UNI ... 2. Various honorary certificates:3.product: M30*100,150 Black hex boltsM27*90,100,110,120 Black hex ... equipmentsWorkshop Welcome your visit! Fasteners M30*100,150 black half thread hex head bolts