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Self-colour socket cap head machine screws, also known as socket cap screws with a unified national fine thread (UNF). Numerous sizes available at competitive prices.

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

Socket cap head machine screws available in numerous sizes at competitive prices. The finer thread provides a finer pitch for specific applications that require more secure fastening and greater overall strength. Manufactured in self-colour grade 12.9 steel and often used within mechanical and engineering industries.

Extensive range with bulk discounts available and conforms to ANSI BA8.3

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  • 1/2" UNF x 1/2" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.54 - £1.11
    £1.11 ex VAT
    £0.54 - £1.11
    £1.11 ex VAT
    £1.33  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 5/8" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.55 - £1.12
    £1.12 ex VAT
    £0.55 - £1.12
    £1.12 ex VAT
    £1.34  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 3/4" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.55 - £1.12
    £1.12 ex VAT
    £0.55 - £1.12
    £1.12 ex VAT
    £1.34  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 1" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.43 - £0.92
    £0.92 ex VAT
    £0.43 - £0.92
    £0.92 ex VAT
    £1.10  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 1 1/4" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.00 - £0.00
    £0.00 ex VAT
    £0.00 - £0.00
    £0.00 ex VAT
    £0.00  incl VAT

  • 1/2" UNF x 1 1/2" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.00 - £0.00
    £0.00 ex VAT
    £0.00 - £0.00
    £0.00 ex VAT
    £0.00  incl VAT

  • 1/2" UNF x 1 3/4" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.64 - £1.26
    £1.26 ex VAT
    £0.64 - £1.26
    £1.26 ex VAT
    £1.51  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 2" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.84 - £1.62
    £1.62 ex VAT
    £0.84 - £1.62
    £1.62 ex VAT
    £1.94  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 2 1/4" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.69 - £1.36
    £1.36 ex VAT
    £0.69 - £1.36
    £1.36 ex VAT
    £1.63  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 2 1/2" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £1.26 - £2.33
    £2.33 ex VAT
    £1.26 - £2.33
    £2.33 ex VAT
    £2.80  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 2 3/4" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £0.80 - £1.55
    £1.55 ex VAT
    £0.80 - £1.55
    £1.55 ex VAT
    £1.86  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 3" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £1.67 - £3.02
    £3.02 ex VAT
    £1.67 - £3.02
    £3.02 ex VAT
    £3.62  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 3 1/4" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £1.55 - £2.83
    £2.83 ex VAT
    £1.55 - £2.83
    £2.83 ex VAT
    £3.40  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 3 1/2" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £1.67 - £3.02
    £3.02 ex VAT
    £1.67 - £3.02
    £3.02 ex VAT
    £3.62  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 3 3/4" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £2.01 - £3.60
    £3.60 ex VAT
    £2.01 - £3.60
    £3.60 ex VAT
    £4.32  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 4" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £1.83 - £3.30
    £3.30 ex VAT
    £1.83 - £3.30
    £3.30 ex VAT
    £3.96  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 5" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £1.42 - £2.59
    £2.59 ex VAT
    £1.42 - £2.59
    £2.59 ex VAT
    £3.11  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 5 1/2" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £2.59 - £4.59
    £4.59 ex VAT
    £2.59 - £4.59
    £4.59 ex VAT
    £5.51  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 6" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £2.61 - £4.61
    £4.61 ex VAT
    £2.61 - £4.61
    £4.61 ex VAT
    £5.53  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 6 1/2" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £4.65 - £8.08
    £8.08 ex VAT
    £4.65 - £8.08
    £8.08 ex VAT
    £9.70  incl VAT
    Qty Discounts Available

  • 1/2" UNF x 7" Socket Cap Head Screw Self Colour 1936-1960

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    Price Each:
    £5.38 - £9.32
    £9.32 ex VAT
    £5.38 - £9.32
    £9.32 ex VAT
    £11.18  incl VAT
    Qty Discounts Available