... ; Certification:ISO14001 ISO9001 SGS Specifications Stainless Hexagon head anchor bolts with full thread Process Capablilities Standard ISO, GB, DIN, JIS, ANSI, BSW ... makes a good performance in screw industry and develops well with the support of all customers. We have passed ISO9001:2008 ... and achieving mutual success! certificate Stainless Hexagon head anchor bolts with full thread