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Machine Screw Hex Nut Zinc

From: $3.26

BoltCraft’s Machine Screw Hex Nut Zinc is designed for precision and efficiency, featuring a compact design ideal for limited-space applications, with zinc plating for enhanced durability and corrosion resistance.


$100 minimum order


  • BoltCraft’s Machine Screw Hex Nuts adhere to the ANSI/ASME B18.6.3 standard, offering a reliable solution for fastening in tight spaces. Their smaller width across flats and corners distinguishes them from standard hex nuts, making them particularly suitable for use with machine screws.

Applications & Advantages

  • Optimized for use in areas where space is constrained, allowing for secure fastening where larger nuts cannot be accommodated.
  • Ideal for assemblies that require a neat and precise fastening solution, ensuring stability and reliability even in compact designs.
  • The zinc plating provides a layer of corrosion resistance, making them suitable for various environments, including those prone to moisture.

Material & Specifications

  • Crafted from low carbon steel, these nuts offer a balance between ductility and strength, ensuring dependable performance.
  • The 18-8 stainless steel variant is available for applications requiring additional resistance to corrosion, particularly in corrosive conditions.
  • The zinc plating on steel nuts not only enhances corrosion resistance but also improves the overall durability of the nut.

Hardness & Durability

  • The material selection and design of these machine screw hex nuts ensure a high level of hardness and durability, suitable for demanding applications.
  • The compact design does not compromise on strength, providing a secure fastening solution that withstands the test of time.

Proof Load & Finish

  • These nuts are engineered to meet specific proof load requirements, ensuring they can handle the intended loads without failure.
  • The zinc finish not only adds to the aesthetic appeal of the nuts but also serves as an additional protective barrier against environmental factors, further extending their service life.
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