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Hex Head Cap Screw Grade 8 Zinc Yellow

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The Hex Head Cap Screw Grade 8 Zinc Yellow from BoltCraft is engineered for superior strength and durability, featuring a zinc yellow-chromate plating for added corrosion resistance. This fastener is designed to withstand the toughest applications, where high tensile strength and durability are a must.


$100 minimum order


  • BoltCraft’s Grade 8 Zinc Yellow Hex Head Cap Screws are built to provide high tensile strength and durability, making them suitable for demanding applications that require a high degree of reliability and corrosion resistance.

Applications & Advantages

  • Perfect for environments where high strength is crucial, and corrosion resistance is needed, ensuring long-term performance and reliability.
  • The hexagonal head design allows for easy installation and high torque application, ensuring a secure and durable hold for critical components.

Material & Specifications

  • Manufactured from high-grade alloy steel, these screws are heat treated to achieve Grade 8 strength, making them one of the most robust fasteners available.
  • The zinc yellow-chromate plating not only provides a distinctive yellow appearance but also offers excellent corrosion resistance, extending the life of the fastener in harsh conditions.

Hardness & Durability

  • Grade 8 screws are known for their high strength and are hardened more than Grade 5 screws, making them suitable for the most demanding applications.
  • These screws maintain their integrity under high stress and are designed to prevent shearing under high torque applications.

Proof Load & Plating

  • With a high proof load, these screws are capable of withstanding significant stress before showing any signs of deformation, ensuring safety and reliability in critical applications.
  • The zinc yellow-chromate plating not only enhances corrosion resistance but also provides a level of lubricity, which can be beneficial during the installation process.
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