OO Holding Down Bolt & Nut Self Colour 8.8
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Holding Down Bolt & Nut Self Colour 8.8


Holding  Down  Bolt  &  Nut  Self  Colour  8.8
  • Also known as foundation bolts.
  • Used for holding down steel frames to concrete bases.
  • For best results, use with waxed cones and square hole washers.
  • Grade 8.8 steel, made to BS 7419.

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When out of stock, any availability times are estimates and dependent upon supplier stock. Items without a lead time have no confirmed status and may take up to 12 weeks to arrive.

Next day delivery is available on items marked with a *.


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M16x300 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 40) [Grade 8.8 BS 7419]


Part No: HX16-300HDB-SC

HX Fixings

£84.07
Excl VAT: £70.06
3 Days

M16x375 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 30) [Grade 8.8 BS 7419]


Part No: HX16-375HDB-SC

HX Fixings

£81.08
Excl VAT: £67.57
3 Days

M16x450 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 30) [Grade 8.8 BS 7419]


Part No: HX16-450HDB-SC

HX Fixings

£89.40
Excl VAT: £74.50
3 Days

M20x300 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 25) [Grade 8.8 BS 7419]


Part No: HX20-300HDB-SC

HX Fixings

£82.44
Excl VAT: £68.70
3 Days

M20x375 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 20) [Grade 8.8 BS 7419]


Part No: HX20-375HDB-SC

HX Fixings

£83.32
Excl VAT: £69.43
3 Days

M20x400 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 20) [Grade 8.8 BS 7419]


Part No: HX20-400HDB-SC

HX Fixings

£86.33
Excl VAT: £71.94
3 Days

M20x450 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 20) [Grade 8.8 BS 7419]


Part No: HX20-450HDB-SC

HX Fixings

£94.81
Excl VAT: £79.01
3 Days

M20x600 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 10) [Grade 8.8 BS 7419]


Part No: HX20-600HDB-SC

HX Fixings

£65.34
Excl VAT: £54.45
3 Days

M24x300 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 15) [Grade 8.8 BS 7419]


Part No: HX24-300HDB-SC

HX Fixings

£80.16
Excl VAT: £66.80
3 Days

M24x375 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 15) [Grade 8.8 BS 7419]


Part No: HX24-375HDB-SC

HX Fixings

£91.81
Excl VAT: £76.51
3 Days

M24x450 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 10) [Grade 8.8 BS 7419]


Part No: HX24-450HDB-SC

HX Fixings

£69.44
Excl VAT: £57.87
3 Days

M24x600 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 10) [Grade 8.8 BS 7419]


Part No: HX24-600HDB-SC

HX Fixings

£98.40
Excl VAT: £82.00
3 Days

M30x450 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 5) [Grade 8.8 BS 7419]


Part No: HX30-450HDB-SC

HX Fixings

£63.54
Excl VAT: £52.95
3 Days

M30x600 Square-Square Holding Down Bolt & Nut Self Colour (Pack of 5) [Grade 8.8 BS 7419]


Part No: HX30-600HDB-SC

HX Fixings

£81.17
Excl VAT: £67.64
3 Days
  • Also known as foundation bolts.
  • Used for holding down steel frames to concrete bases.
  • For best results, use with waxed cones and square hole washers.
  • Grade 8.8 steel, made to BS 7419.

Self colour finishes have no definitive colour and can vary with the effects of natural oxidisation and weathering, from a bright zinc finish to a dark black colour.