Skip to content
FREE UK delivery on orders over £75.00 ex VAT
FREE UK delivery on orders over £75.00 ex VAT
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

Filters

  • 7/16" UNF x 1/2" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.37 - £0.81
    £0.81 ex VAT
    £0.37 - £0.81
    £0.81 ex VAT
    £0.97  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 5/8" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.32 - £0.73
    £0.73 ex VAT
    £0.32 - £0.73
    £0.73 ex VAT
    £0.88  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 3/4" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.42 - £0.90
    £0.90 ex VAT
    £0.42 - £0.90
    £0.90 ex VAT
    £1.08  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 7/8" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.33 - £0.75
    £0.75 ex VAT
    £0.33 - £0.75
    £0.75 ex VAT
    £0.90  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 1" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.36 - £0.79
    £0.79 ex VAT
    £0.36 - £0.79
    £0.79 ex VAT
    £0.95  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 1 1/4" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.42 - £0.89
    £0.89 ex VAT
    £0.42 - £0.89
    £0.89 ex VAT
    £1.07  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 1 1/2" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.44 - £0.94
    £0.94 ex VAT
    £0.44 - £0.94
    £0.94 ex VAT
    £1.13  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 1 3/4" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.75 - £1.46
    £1.46 ex VAT
    £0.75 - £1.46
    £1.46 ex VAT
    £1.75  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 2" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.54 - £1.09
    £1.09 ex VAT
    £0.54 - £1.09
    £1.09 ex VAT
    £1.31  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 2 1/4" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.99 - £1.43
    £1.43 ex VAT
    £0.99 - £1.43
    £1.43 ex VAT
    £1.72  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 2 1/2" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.93 - £1.77
    £1.77 ex VAT
    £0.93 - £1.77
    £1.77 ex VAT
    £2.12  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 3" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £0.89 - £1.70
    £1.70 ex VAT
    £0.89 - £1.70
    £1.70 ex VAT
    £2.04  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 3 1/2" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £1.20 - £2.22
    £2.22 ex VAT
    £1.20 - £2.22
    £2.22 ex VAT
    £2.66  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 4" Socket Cap Head Screw Self Colour 1936-1960

    View
    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

  • 7/16" UNF x 5" Socket Cap Head Screw Self Colour 1936-1960

    View
    Price Each:
    £2.65 - £4.68
    £4.68 ex VAT
    £2.65 - £4.68
    £4.68 ex VAT
    £5.62  incl VAT
    Qty Discounts Available