Bolt, Nut, Screw manufacturer / supplier in China, offering DIN 977 ISO 21670 Hexagon Weld Nuts with Flange, DIN 34817 High Strength Can Be Customized 8.8 Grade Carbon Steel Round Head Sealing Projection Welding Screw, High-Strength Carbon Steel Hexagon Flange Welding Nut DIN977 Welding Nut Arc Weld Nut Convex Welding Nut and so on.
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