... 250mm(A)zinc4.61.DIN9331.C10081/4''-1'''1/2''--10''1.white zinc4.82.DIN9312.C1010 2.white and ... m30,1/4''-1''4)length:10mm-250mm,1/2''--10''Detailed size descriptionA M6*16-50 M8*20-100 ... ,4.8 ,5.6,5.8,6.8,8.8,10.96)finish:zinc, black, plain,H.D.G7) material ... UNF etc.9)certifications: ISO9001:2000, the Seventh of Consumers Trust Product in Hebei Province, the Hebei Province Industry Standard Product ...