... ,etc 3.SGS,ISO 4.black,zinc plated,HDG,etc square threaded rod 1.Features Material: Carbon steelFinished: PL, Zinc ... time: 30 days after order is confired2) Dimensions Product name square threaded rod Specification M2-50MaterialMild/medium/high carbon steelMaterial grade4 ... .8,6.8,8.8,12.9ColorPlain, blue plated, white plated, yellow plated.StandardISO,GB,DIN,JIS,ANSICetificateISO9001-2008,SGS ...