Bolt Nut Wedge Anchor manufacturer / supplier in China, offering 8.8 / 10.9 /12.9 Grade Carbon Steel Yellow Zinc Plated DIN 603 Carriage Bolt, 8.8 / 10.9 /12.9 Grade Carbon Steel Black Plated DIN 603 Carriage Bolt, DIN934 Brass Black Oxide Carbon Steel Hexagon Nut Copper Hex Nut M6 M8 M10 and so on.
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