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4-40 UNC x 5/8" Socket Button Screw Self Colour ASME B18.3

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4-40 UNC x 5/8" Socket Button Screw Self Colour ASME B18.3

UNC Socket Button Screw in Self Colour 4-40 x 5/8"

Imperial unified coarse, button / domed head shape screws made from precisely formed, and heat treated high tensile steel. Coated in a mildly corrosion resistant black-oxide finish which acts as a great base for self-colouring or galvanising. Conforms to ASME B18.3 with a rockwell hardness of C33-39.

UNC Socket Button Screw Specifications:

  • Diameter: No.4 (2.9mm)
  • Length: 5/8"
  • Socket Size: 1/16"
  • Threads per Inch: 40tpi
  • Material Coating: Black Oxide
  • Head diameter: 0.213 inches

For more socket button screws with fast shipping options and bulk buy discounts, click here.

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4-40 UNC x 5/8" Socket Button Screw Self Colour ASME B18.3—

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UNC Socket Button Screw in Self Colour 4-40 x 5/8"

Imperial unified coarse, button / domed head shape screws made from precisely formed, and heat treated high tensile steel. Coated in a mildly corrosion resistant black-oxide finish which acts as a great base for self-colouring or galvanising. Conforms to ASME B18.3 with a rockwell hardness of C33-39.

UNC Socket Button Screw Specifications:

  • Diameter: No.4 (2.9mm)
  • Length: 5/8"
  • Socket Size: 1/16"
  • Threads per Inch: 40tpi
  • Material Coating: Black Oxide
  • Head diameter: 0.213 inches

For more socket button screws with fast shipping options and bulk buy discounts, click here.