Skip to content
FREE UK delivery on orders over £75.00 ex VAT
FREE UK delivery on orders over £75.00 ex VAT
UNF - countersunk machine screws with a hex socket recess in various diameters and lengths.

UNF - Self-Colour Countersunk Socket Screws - ANSI B18.3

UNF, socket countersunk machine screws with a hex drive socket recess. Available in various diameters and lengths at competitive prices. With an imperial unified fine thread (UNF) and a deep hexagonal socket allowing higher torque and higher clamping force. Best used with a pre-drilled hole where the countersunk head allows for a flush finish to the surface of the material.

Conforms to ANSI B18.3 with a range of bulk discounts available.

Filters

  • 7/16" UNF x 1" Socket Countersunk Machine Screw Self Colour ANSI B18.3

    View
    Price Each:
    £0.55 - £1.06
    £1.06 ex VAT
    £0.55 - £1.06
    £1.06 ex VAT
    £1.27  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 1 1/4" Socket Countersunk Machine Screw Self Colour ANSI B18.3

    View
    Price Each:
    £0.67 - £1.26
    £1.26 ex VAT
    £0.67 - £1.26
    £1.26 ex VAT
    £1.51  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 1 1/2" Socket Countersunk Machine Screw Self Colour ANSI B18.3

    View
    Price Each:
    £0.70 - £1.30
    £1.30 ex VAT
    £0.70 - £1.30
    £1.30 ex VAT
    £1.56  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 1 3/4" Socket Countersunk Machine Screw Self Colour ANSI B18.3

    View
    Price Each:
    £0.80 - £1.47
    £1.47 ex VAT
    £0.80 - £1.47
    £1.47 ex VAT
    £1.76  incl VAT
    Qty Discounts Available

  • 7/16" UNF x 2" Socket Countersunk Machine Screw Self Colour ANSI B18.3

    View
    Price Each:
    £0.20 - £0.20
    £0.20 ex VAT
    £0.20 - £0.20
    £0.20 ex VAT
    £0.24  incl VAT

  • 7/16" UNF x 2 1/2" Socket Countersunk Machine Screw Self Colour ANSI B18.3

    View
    Price Each:
    £1.10 - £1.95
    £1.95 ex VAT
    £1.10 - £1.95
    £1.95 ex VAT
    £2.34  incl VAT
    Qty Discounts Available