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HANDAN HAOSHENG FASTENER CO., LTD.
Bolts
Nuts
Screws
Anchors
Washers
Thread Rods & Studs
Others

Hexagon flange head screws conforming to DIN 6921 and ISO 1665 standards, featuring either smooth or serrated bearing surfaces, represent highly adaptable and dependable fastening solutions. Engineered for optimal clamping performance and uniform pressure distribution, these fasteners significantly reduce the potential for surface damage to assembled materials.

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