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Hexagon flange bolt with ribbed flange DIN ≈6921 Steel Plain 10004400
Hexagon flange bolt with ribbed flange DIN ≈6921 Steel Zinc plated 10004410
Hexagon flange bolt with ribbed flange DIN ≈6921 Steel Zinc flake Cr6+free - ISO 10683 flZnnc 10004405