EXPANSION BOLTSEXPANSION-BOLTS

                        EXPANSION BOLTS

                        Brand: TIANHOU
                        Heat treatment: Zinc plating color
                        Specifications: A variety of specifications, support customization
                        Place of origin:  Handan YongNian
                        The material: Carbon steel

                        In line with the gb standard

                        New production equipment, using high-quality steel, the surface no crack, beautiful appearance

                        Use environmental protection trivalent chromium galvanizing, plating symmetry is better than white zinc corrosion, higher brightness, lasting bright

                        No burr thread clear, use more smooth

                        Good material, high hardness, seiko spy and aesthetically pleasing

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