Concrete Screws

SPAX concrete screws provide high-strength fixing for window and door frames into concrete and masonry substrates. Designed for secure structural anchoring, they deliver reliable load transfer and long-term stability.

  • Concrete & Masonry Fixing – Secure anchoring without plugs
  • High Load Capacity – Reliable structural performance
  • Precision Thread Design – Strong substrate engagement
  • Professional Installation – Ideal for frame fitting applications
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Structural Frame Fixing Solutions

SPAX concrete screws are engineered for direct installation into concrete, brick and masonry materials. Their specialised thread geometry ensures strong anchorage while simplifying installation during frame positioning.

Recommended for

  • Window frame installation
  • Door frame fixing
  • Structural timber to masonry connections

Trade-Grade Performance

Manufactured to SPAX precision standards, our concrete screws deliver dependable holding power, accurate installation and long-term structural security.

Choose SPAX concrete screws for secure, professional frame fixing into masonry and concrete.

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SPAX 7.5x40mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack) SPAX 7.5x40mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)
1021010750405
7.5mm x 40mm
PK100

SPAX 7.5x40mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)

£16.31 Ex. VAT: £13.59

From Germany's Leading Manufacturer of Screws SPAX-RA FLAT COUNTERSUNK HEAD T-STAR PLUS T30 FULL TH..

SPAX 7.5x60mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack) SPAX 7.5x60mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)
1021010750605
7.5mm x 60mm
PK100

SPAX 7.5x60mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)

£17.76 Ex. VAT: £14.80

From Germany's Leading Manufacturer of Screws SPAX-RA FLAT COUNTERSUNK HEAD T-STAR PLUS T30 FULL TH..

SPAX 7.5x80mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack) SPAX 7.5x80mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)
1021010750805
7.5mm x 80mm
PK100

SPAX 7.5x80mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)

£23.21 Ex. VAT: £19.34

From Germany's Leading Manufacturer of Screws SPAX-RA FLAT COUNTERSUNK HEAD T-STAR PLUS T30 FULL TH..

SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack) SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)
1021010751005
7.5mm x 100mm
PK100

SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)

£33.74 Ex. VAT: £28.11

From Germany's Leading Manufacturer of Screws SPAX-RA FLAT COUNTERSUNK HEAD T-STAR PLUS T30 FULL TH..

SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack) SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)
1021010751205
7.5mm x 120mm
PK100

SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)

£47.18 Ex. VAT: £39.32

From Germany's Leading Manufacturer of Screws SPAX-RA FLAT COUNTERSUNK HEAD T-STAR PLUS T30 FULL TH..

SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack) SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)
1021010751505
7.5mm x 150mm
PK100

SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)

£53.43 Ex. VAT: £44.52

From Germany's Leading Manufacturer of Screws SPAX-RA FLAT COUNTERSUNK HEAD T-STAR PLUS T30 FULL TH..

SPAX 7.5x180mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack) SPAX 7.5x180mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)
1021010751805
7.5mm x 180mm
PK100

SPAX 7.5x180mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)

£84.26 Ex. VAT: £70.22

From Germany's Leading Manufacturer of Screws SPAX-RA FLAT COUNTERSUNK HEAD T-STAR PLUS T30 FULL TH..

SPAX 7.5x210mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack) SPAX 7.5x210mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)
1021010752105
7.5mm x 210mm
PK100

SPAX 7.5x210mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (100 Pack)

£106.22 Ex. VAT: £88.52

From Germany's Leading Manufacturer of Screws SPAX-RA FLAT COUNTERSUNK HEAD T-STAR PLUS T30 FULL TH..

SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack) SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack)
4021010751002
7.5mm x 100mm
PK6

SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack)

£5.11 Ex. VAT: £4.26

From Germany's Leading Manufacturer of Screws SPAX FRAME ANCHOR T30 WIROX + CAPS WHITE M 6+6 PCS. ..

SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack) SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack)
4021010751012
7.5mm x 100mm
PK18

SPAX 7.5x100mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack)

£15.86 Ex. VAT: £13.22

From Germany's Leading Manufacturer of Screws SPAX FRAME ANCHOR T30 WIROX + CAPS WHITE M-STK 18+18 ..

SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack) SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack)
4021010751202
7.5mm x 120mm
PK6

SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack)

£5.74 Ex. VAT: £4.78

From Germany's Leading Manufacturer of Screws SPAX FRAME ANCHOR T30 WIROX + CAPS WHITE M-STK 6+6 PC..

SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack) SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack)
4021010751212
7.5mm x 120mm
PK18

SPAX 7.5x120mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack)

£11.06 Ex. VAT: £9.21

From Germany's Leading Manufacturer of Screws SPAX FRAME ANCHOR T30 WIROX + CAPS WHITE M-STK 18+18 ..

SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack) SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack)
4021010751502
7.5mm x 150mm
PK6

SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack)

£6.66 Ex. VAT: £5.55

From Germany's Leading Manufacturer of Screws SPAX FRAME ANCHOR T30 WIROX + CAPS WHITE M 6+6 PCS. ..

SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack) SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack)
4021010751512
7.5mm x 150mm
PK18

SPAX 7.5x150mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (18 Pack)

£12.35 Ex. VAT: £10.29

From Germany's Leading Manufacturer of Screws SPAX FRAME ANCHOR T30 WIROX + CAPS WHITE M-STK 18+18 ..

SPAX 7.5x180mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack) SPAX 7.5x180mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack)
4021010751802
7.5mm x 180mm
PK6

SPAX 7.5x180mm T-Star Plus T30 Flat CSK Screws – Wirox Coated (6 Pack)

£7.70 Ex. VAT: £6.42

From Germany's Leading Manufacturer of Screws SPAX FRAME ANCHOR T30 WIROX + CAPS WHITE M 6+6 PCS. ..

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