Zinc Plated DIN934 Hexagon Nuts 1.Size:Dia M6-M42&Length ... .grade:4.8/8/105.surface:balck phosphate, plain ,zinc Cr+3,,yellow zinc plated , H.D.G ,6.packing: bulk , box packing , ... DIN, ANSI, AS, BS, JIS, GB and ISO standards, non-standard specifications or upon our customers' special requirements, in grades 4 ... about our company, you are welcomed to visit us. Zinc Plated din934 hexagonal nut