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External Hexagon Screws

External hexagon screws provide high tightening strength and easy wrench operation, making them common in machinery, construction, industrial equipment, and vehicle parts. Available in grades 4.8, 8.8, 10.9, 12.9 and stainless steel.
Our hex screws and bolts deliver stable mechanical properties, precise head forging, and high-consistency surface treatment for heavy-duty applications.

  • High strength hex bolt with precision threading for industrial fastening

    External Hexagon Screws Grade 10.9 ISO 4017 Zinc Plated Fasteners

    Size：M2-M20

    Manufacturing standard：ISO, GB, JIS, DIN, BS and ANSI standards, or drawings provided by customers.

    Materials： iron, carbon steel, alloy steel, copper, stainless steel, plastics, high-temperature alloy, copper alloy, nickel-base alloy, high-strength alloy, corrosion-resistant alloy, etc.

    Process： cold heading, punching, turning, milling, wire cutting, etc.

    Treatment/Finishing: Brushing、Zinc Plated、Nickel Plated、Sn Plated.

    Requirements： No Burrs、Scratches、Dents、Pits

    Application： Structural Steel; Metal Building; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating

    Packing：bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand

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