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Csk screw bolt
  • Csk screw bolt

Product Information

CSK screw bolts, also known as countersunk screws or machine screws, are a type of fastener that features a tapered or countersunk head designed to sit flush with the surface of the material being fastened.


Key features of CSK screw bolts include:

  1. Countersunk Head:

    • The head of the screw is tapered or countersunk, allowing it to sit flush or below the surface of the material.

    • This provides a low-profile appearance and a smooth, finished look.

  2. Threaded Shaft:

    • The shaft of the CSK screw bolt features a threaded design, typically with a machine screw thread form.

    • This allows the screw to be securely fastened into a pre-drilled or tapped hole.

  3. Head Styles:

    • CSK screw bolts are available in various head styles, such as flat, round, oval, or truss heads, to accommodate different applications and aesthetic requirements.

  4. Materials and Finishes:

    • CSK screw bolts are commonly made from materials like steel, stainless steel, or brass, and may have corrosion-resistant finishes like zinc plating or anodization.

  5. Sizes:

    • CSK screw bolts come in a range of sizes, including diameter and length, to suit different applications and material thicknesses.


The key benefits of using CSK screw bolts include:

  1. Flush Mounting:

    • The countersunk head design allows the screw to sit flush with the surface, creating a smooth and visually appealing finish.

  2. Secure Fastening:

    • The threaded shaft provides a strong and durable connection, particularly in pre-drilled or tapped holes.

  3. Versatility:

    • CSK screw bolts are suitable for a wide range of applications, from furniture and cabinetry to machinery and equipment assembly.

  4. Corrosion Resistance:

    • Depending on the material and finish, CSK screw bolts can offer protection against corrosion and environmental factors.


Common applications for CSK screw bolts include:

  • Furniture and cabinetry assembly

  • Equipment and machinery mounting

  • Automotive and aerospace parts fastening

  • Electronics and device enclosure assembly


  • General construction and industrial applications where a flush, low-profile fastener is required

The countersunk head design and threaded shaft of CSK screw bolts make them a popular choice for applications where a secure and visually appealing fastening solution is needed, particularly in materials that can accommodate pre-drilled or tapped holes.