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Self-colour, cap head screws with a hex socket recess. Also known as socket head screws and Allen key screws

UNC - Self-Colour Grade 12.9 Cap Head Socket Screws - ANSI B18.3

UNC Socket Cap Head Screws

Socket cap head screws with a deep internal socket (hex) drive for easy installation allowing you to apply the required torque for a secure hold every time.

Manufactured with a UNC (United Coarse Pitch) thread in grade 12.9 steel and designed with a distinctive compact cylindrical head allowing you to use them in areas where space is tight. 

Installed with an Allen wrench or hex key (Allen key) sees them widely used across many industries. 

Available in many sizes and lengths to suit your requirements, these screws are used by DIY enthusiasts and professionals across many diverse

Conforms to ANSI B18.3 with bulk discounts available.

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  • 4-40 UNC x 1" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.09 - £0.33
    £0.33 ex VAT
    £0.09 - £0.33
    £0.33 ex VAT
    £0.40  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 7/8" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.06 - £0.29
    £0.29 ex VAT
    £0.06 - £0.29
    £0.29 ex VAT
    £0.35  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 3/4" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.04 - £0.26
    £0.26 ex VAT
    £0.04 - £0.26
    £0.26 ex VAT
    £0.31  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 5/8" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.07 - £0.30
    £0.30 ex VAT
    £0.07 - £0.30
    £0.30 ex VAT
    £0.36  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 9/16" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.05 - £0.27
    £0.27 ex VAT
    £0.05 - £0.27
    £0.27 ex VAT
    £0.32  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 7/16" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.10 - £0.35
    £0.35 ex VAT
    £0.10 - £0.35
    £0.35 ex VAT
    £0.42  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 3/8" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

    View
    Price Each:
    £0.06 - £0.29
    £0.29 ex VAT
    £0.06 - £0.29
    £0.29 ex VAT
    £0.35  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 1/4" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.04 - £0.26
    £0.26 ex VAT
    £0.04 - £0.26
    £0.26 ex VAT
    £0.31  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 5/16" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.08 - £0.32
    £0.32 ex VAT
    £0.08 - £0.32
    £0.32 ex VAT
    £0.38  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 3/16" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

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    Price Each:
    £0.07 - £0.31
    £0.31 ex VAT
    £0.07 - £0.31
    £0.31 ex VAT
    £0.37  incl VAT
    Qty Discounts Available

  • 4-40 UNC x 1/8" Socket Cap Head Screw Self Colour BS 2470 Grade 12.9

    View
    Price Each:
    £0.07 - £0.30
    £0.30 ex VAT
    £0.07 - £0.30
    £0.30 ex VAT
    £0.36  incl VAT
    Qty Discounts Available