... steel 2Size:M27*120 3Finish:Black 4Certificate:ISO9001:2008,SGS Fasteners gr4.8 black oxide hex bolt Details of the ... DIN, JIS, GB, GOST, UNI, etc. 4Grade: 4.85Surface: Black, (Darconmet, HDG, Zinc plated, etc.)6Proven technique & good quality. ... ,120 Black hex head bolts4. Factory view figures: PackagingFactory viewTesting equipmentsWorkshop Welcome your visit! Fasteners gr4.8 black oxide hex bolt ...