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.

  • Price Each:
    Original price £0.05 - Original price £0.26
    Original price
    £0.26 ex VAT
    £0.05 - £0.26
    Current price £0.26 ex VAT
    £0.31  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.04 - Original price £0.24
    Original price
    £0.24 ex VAT
    £0.04 - £0.24
    Current price £0.24 ex VAT
    £0.29  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.05 - Original price £0.26
    Original price
    £0.26 ex VAT
    £0.05 - £0.26
    Current price £0.26 ex VAT
    £0.31  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.04 - Original price £0.25
    Original price
    £0.25 ex VAT
    £0.04 - £0.25
    Current price £0.25 ex VAT
    £0.30  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.04 - Original price £0.25
    Original price
    £0.25 ex VAT
    £0.04 - £0.25
    Current price £0.25 ex VAT
    £0.30  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.04 - Original price £0.24
    Original price
    £0.24 ex VAT
    £0.04 - £0.24
    Current price £0.24 ex VAT
    £0.29  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.05 - Original price £0.26
    Original price
    £0.26 ex VAT
    £0.05 - £0.26
    Current price £0.26 ex VAT
    £0.31  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.07 - Original price £0.29
    Original price
    £0.29 ex VAT
    £0.07 - £0.29
    Current price £0.29 ex VAT
    £0.35  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.04 - Original price £0.25
    Original price
    £0.25 ex VAT
    £0.04 - £0.25
    Current price £0.25 ex VAT
    £0.30  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.08 - Original price £0.31
    Original price
    £0.31 ex VAT
    £0.08 - £0.31
    Current price £0.31 ex VAT
    £0.37  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.07 - Original price £0.29
    Original price
    £0.29 ex VAT
    £0.07 - £0.29
    Current price £0.29 ex VAT
    £0.35  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.14 - Original price £0.41
    Original price
    £0.41 ex VAT
    £0.14 - £0.41
    Current price £0.41 ex VAT
    £0.49  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.05 - Original price £0.27
    Original price
    £0.27 ex VAT
    £0.05 - £0.27
    Current price £0.27 ex VAT
    £0.32  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.06 - Original price £0.28
    Original price
    £0.28 ex VAT
    £0.06 - £0.28
    Current price £0.28 ex VAT
    £0.34  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.08 - Original price £0.31
    Original price
    £0.31 ex VAT
    £0.08 - £0.31
    Current price £0.31 ex VAT
    £0.37  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.10 - Original price £0.34
    Original price
    £0.34 ex VAT
    £0.10 - £0.34
    Current price £0.34 ex VAT
    £0.41  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.13 - Original price £0.39
    Original price
    £0.39 ex VAT
    £0.13 - £0.39
    Current price £0.39 ex VAT
    £0.47  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.07 - Original price £0.29
    Original price
    £0.29 ex VAT
    £0.07 - £0.29
    Current price £0.29 ex VAT
    £0.35  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.11 - Original price £0.36
    Original price
    £0.36 ex VAT
    £0.11 - £0.36
    Current price £0.36 ex VAT
    £0.43  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.13 - Original price £0.39
    Original price
    £0.39 ex VAT
    £0.13 - £0.39
    Current price £0.39 ex VAT
    £0.47  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.11 - Original price £0.36
    Original price
    £0.36 ex VAT
    £0.11 - £0.36
    Current price £0.36 ex VAT
    £0.43  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.20 - Original price £0.50
    Original price
    £0.50 ex VAT
    £0.20 - £0.50
    Current price £0.50 ex VAT
    £0.60  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.26 - Original price £0.60
    Original price
    £0.60 ex VAT
    £0.26 - £0.60
    Current price £0.60 ex VAT
    £0.72  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.36 - Original price £0.75
    Original price
    £0.75 ex VAT
    £0.36 - £0.75
    Current price £0.75 ex VAT
    £0.90  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.10 - Original price £0.34
    Original price
    £0.34 ex VAT
    £0.10 - £0.34
    Current price £0.34 ex VAT
    £0.41  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.11 - Original price £0.37
    Original price
    £0.37 ex VAT
    £0.11 - £0.37
    Current price £0.37 ex VAT
    £0.44  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.14 - Original price £0.44
    Original price
    £0.44 ex VAT
    £0.14 - £0.44
    Current price £0.44 ex VAT
    £0.53  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.14 - Original price £0.41
    Original price
    £0.41 ex VAT
    £0.14 - £0.41
    Current price £0.41 ex VAT
    £0.49  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.14 - Original price £0.40
    Original price
    £0.40 ex VAT
    £0.14 - £0.40
    Current price £0.40 ex VAT
    £0.48  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.17 - Original price £0.45
    Original price
    £0.45 ex VAT
    £0.17 - £0.45
    Current price £0.45 ex VAT
    £0.54  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.19 - Original price £0.49
    Original price
    £0.49 ex VAT
    £0.19 - £0.49
    Current price £0.49 ex VAT
    £0.59  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.22 - Original price £0.54
    Original price
    £0.54 ex VAT
    £0.22 - £0.54
    Current price £0.54 ex VAT
    £0.65  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.37 - Original price £0.77
    Original price
    £0.77 ex VAT
    £0.37 - £0.77
    Current price £0.77 ex VAT
    £0.92  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.47 - Original price £0.94
    Original price
    £0.94 ex VAT
    £0.47 - £0.94
    Current price £0.94 ex VAT
    £1.13  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.33 - Original price £0.71
    Original price
    £0.71 ex VAT
    £0.33 - £0.71
    Current price £0.71 ex VAT
    £0.85  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.15 - Original price £0.42
    Original price
    £0.42 ex VAT
    £0.15 - £0.42
    Current price £0.42 ex VAT
    £0.50  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.08 - Original price £0.32
    Original price
    £0.32 ex VAT
    £0.08 - £0.32
    Current price £0.32 ex VAT
    £0.38  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.16 - Original price £0.43
    Original price
    £0.43 ex VAT
    £0.16 - £0.43
    Current price £0.43 ex VAT
    £0.52  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.20 - Original price £0.50
    Original price
    £0.50 ex VAT
    £0.20 - £0.50
    Current price £0.50 ex VAT
    £0.60  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.27 - Original price £0.62
    Original price
    £0.62 ex VAT
    £0.27 - £0.62
    Current price £0.62 ex VAT
    £0.74  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.25 - Original price £0.59
    Original price
    £0.59 ex VAT
    £0.25 - £0.59
    Current price £0.59 ex VAT
    £0.71  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.39 - Original price £0.81
    Original price
    £0.81 ex VAT
    £0.39 - £0.81
    Current price £0.81 ex VAT
    £0.97  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.16 - Original price £0.44
    Original price
    £0.44 ex VAT
    £0.16 - £0.44
    Current price £0.44 ex VAT
    £0.53  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.45 - Original price £0.90
    Original price
    £0.90 ex VAT
    £0.45 - £0.90
    Current price £0.90 ex VAT
    £1.08  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.50 - Original price £0.99
    Original price
    £0.99 ex VAT
    £0.50 - £0.99
    Current price £0.99 ex VAT
    £1.19  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.34 - Original price £0.72
    Original price
    £0.72 ex VAT
    £0.34 - £0.72
    Current price £0.72 ex VAT
    £0.86  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.55 - Original price £1.06
    Original price
    £1.06 ex VAT
    £0.55 - £1.06
    Current price £1.06 ex VAT
    £1.27  incl VAT
    Qty Discounts Available
  • Price Each:
    Original price £0.67 - Original price £1.26
    Original price
    £1.26 ex VAT
    £0.67 - £1.26
    Current price £1.26 ex VAT
    £1.51  incl VAT
    Qty Discounts Available