Our Concrete Screwbolts – also known as Thunderbolts or Threaded Concrete Anchors—provide a high-strength, non-expansion fixing solution for direct installation into concrete, brick, or blockwork. These heavy-duty fasteners deliver a secure hold without the need for plugs or resin, making them ideal for fast, repeatable applications across construction, electrical, and mechanical installations.
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Thread Sizes Available:
M8, M10, M12, M16, M20, and M8/M10 dual thread -
Lengths Offered:
Ranging from 35mm to 200mm to accommodate shallow and deep embedment requirements. -
Brands Stocked:
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Fischer
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Rawlplug
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Applications:
Perfect for anchoring bracketry, steelwork, base plates, and threaded rods into solid concrete substrates, offering high load performance and ease of installation.
Our Concrete Screwbolts deliver a fast, strong, and reliable fix for demanding environments – no expansion stress, no edge damage. For more information or to discuss your specific requirements, please contact us at sales@directchannel.uk.com or call 0121 270 8507.
Showing 1–20 of 38 results
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M8/M10 Fischer Dual Thread 6x35mm Female Concrete Screw
M8/M10 Dual Thread Fischer FBS 6x35mm Female Concrete Screw Used to suspended pipes, unistrut, cable containment and ductwork systems from prestressed concrete ceilings. M10 Dual Internal Threaded Connection Nut - Takes Both M8 and M10 Thread Bright Zinc Plated (BZP) 6mm Drill hole diameter x Minimum drill hole depth 45mm Projection length 26.5mm Embedment 35mm ETA / CE Approved Fire Resistance Classification: R120 Equivalent to Hilti HUS3 Range Fischer Product Code: 523912 (FBS 6x35 M8/M10I) Sold IndividuallyCode: FBS6X35F.Q1 £0.64 ex. VAT
£0.77 inc. VAT -
M8/M10 Fischer Dual Thread 6x55mm Female Concrete Screw
Fischer M8/M10 Dual Threaded Female Concrete Screws (6x55) Used to suspended pipes, unistrut, cable containment and ductwork systems from prestressed concrete ceilings. M10 Dual Internal Threaded Connection Nut - Takes Both M8 and M10 Thread Bright Zinc Plated (BZP) 6mm Drill hole diameter x Minimum drill hole depth 65mm Projection length 26.5mm Embedment 55mm ETA / CE Approved Fire Resistance Classification: R120 Equivalent to Hilti HUS3 Range Fischer Product Code: 066950 (FBS 6x55 M8/M10I) Sold IndividuallyCode: FBS6X55F.Q1 £0.67 ex. VAT
£0.80 inc. VAT -
M8 Fischer FBS 6x35mm Male Threaded Concrete Screw
M8 Fischer FBS 6x35mm Male Concrete Screw Used to suspended pipes, unistrut, cable containment and ductwork systems from prestressed concrete ceilings. Bright Zinc Plated (BZP) 6mm Drill hole diameter x Minimum drill hole depth 45mm External Threaded M8x19mm Stud length Embedment 35mm ETA / CE Approved Fire Resistance Classification: R120 Equivalent to Hilti HUS3 Range Fischer Product Code: 523913 (FBS 6x35 M8/15) Sold IndividuallyCode: FBS6X35M.Q1 £0.52 ex. VAT
£0.62 inc. VAT -
M8/M10 Dual Thread 6x35mm Female Concrete Screw (Pack of 50) – Strut Fix
M8 Fischer FBS 6x35mm Male Concrete Screw Used to suspended pipes, unistrut, cable containment and ductwork systems from prestressed concrete ceilings. Bright Zinc Plated (BZP) 6mm Drill hole diameter x Minimum drill hole depth 45mm External Threaded M8x19mm Stud length Embedment 35mm ETA / CE Approved Fire Resistance Classification: R120 Equivalent to Hilti HUS3 Range Fischer Product Code: 523913 (FBS 6x35 M8/15) Sold IndividuallyCode: FCS6X35.Q50 £13.14 ex. VAT
£15.77 inc. VAT Read more -
M8/M10 Dual Thread 6x55mm Female Concrete Screw (Pack of 50) – Strut Fix
M8 Fischer FBS 6x35mm Male Concrete Screw Used to suspended pipes, unistrut, cable containment and ductwork systems from prestressed concrete ceilings. Bright Zinc Plated (BZP) 6mm Drill hole diameter x Minimum drill hole depth 45mm External Threaded M8x19mm Stud length Embedment 35mm ETA / CE Approved Fire Resistance Classification: R120 Equivalent to Hilti HUS3 Range Fischer Product Code: 523913 (FBS 6x35 M8/15) Sold IndividuallyCode: FCS6X55.Q50 £14.83 ex. VAT
£17.80 inc. VAT Read more -
M8 Fischer FBS 6x55mm Male Threaded Concrete Screw
M8 Fischer FBS 6x55mm Male Concrete Screw Bright Zinc Plated (BZP) 6mm Drill hole diameter x Minimum drill hole depth 65mm External Threaded M8x19mm Stud length Embedment 55mm ETA / CE Approved Fire Resistance Classification: R120 Equivalent to Hilti HUS3 Range Fischer Product Code: 066949 (FBS 6x55 M8/19) Sold IndividuallyCode: FBS6X55M.Q1 £0.59 ex. VAT
£0.71 inc. VAT -
Rawl Plug – M8 x 65mm Throughbolt Zinc Flake
M8 x 65mm Throughbolt Zinc Flake Hole Diameter 8mm Minimum Hole Depth In Substrate 55mm Length 65mm Recommended Torque - 10Nm From our Branded "Rawlplug" Range. For Use On Concrete. Sold IndividuallyCode: R-HPTM8/65 £0.41 ex. VAT
£0.49 inc. VAT -
Fischer FBS II Ultracut 8 x 70mm Concrete Screw (Box of 50)
FBS II Ultracut Concrete Screw 8 x 70mm Simply Drill and Drive - Time Efficient installation through streamlined procedure Specialized Saw Tooth Geometry Allowing To Cut Quickly Into Concrete Dimensions - 8mm x 70mm Use Drill Hole Diameter 8mm Fischer Product Code: 536852 (FBS II 8x70 20/5) Sold as Box of 50Code: FBS870 £46.61 ex. VAT
£55.93 inc. VAT -
Rawl Plug – M8 x 80mm Throughbolt Zinc Flake
M8 x 80mm Throughbolt Zinc Flake Hole Diameter 8mm Minimum Hole Depth In Substrate 55mm Length 80mm Recommended Torque - 10Nm From our Branded "Rawlplug" Range. For Use On Concrete. Sold IndividuallyCode: R-HPTM8/80 £0.43 ex. VAT
£0.52 inc. VAT -
Fischer FBS II Ultracut 8 x 80mm Concrete Screw (Box of 50)
FBS II Ultracut Concrete Screw 8 x 80mm Dimensions - 8mm x 80mm Use Drill Hole Diameter 8mm For Use With Concrete, Brick and Block Fischer Product Code: 536853 (FBS II 8x80 30/15) Sold as Box of 50Code: FBS880 £49.26 ex. VAT
£59.11 inc. VAT -
Fischer FBS II Ultracut 8 x 90mm Concrete Screw (Box of 50)
FBS II Ultracut Concrete Screw 8 x 90mm Dimensions - 8mm x 90mm Use Drill Hole Diameter 8mm Zinc Plated Steel ETA / CE Approved For Use With Concrete, Brick and Block Fischer Product Code: 536854 (FBS II 8x90 40/25) Sold as Box of 50Code: FBS890 £52.07 ex. VAT
£62.48 inc. VAT -
Rawl Plug – M8 x 100mm Throughbolt Zinc Flake
M8 x 100mm Throughbolt Zinc Flake Hole Diameter 8mm Minimum Hole Depth In Substrate 55mm Length 100mm Recommended Torque - 10Nm From our Branded "Rawlplug" Range. For Use On Concrete. Sold IndividuallyCode: R-HPTM8/100 £0.46 ex. VAT
£0.55 inc. VAT -
Fischer FBS II Ultracut 8 x 110mm Concrete Screw (Box of 50)
FBS II Ultracut Concrete Screw 8 x 110mm Dimensions - 8mm x 110mm Use Drill Hole Diameter 8mm Zinc Plated Steel ETA / CE Approved For Use With Concrete, Brick and Block Fischer Product Code: 536856 (FBS II 8x110 60/45) Sold as Box of 50Code: FBS8110 £59.46 ex. VAT
£71.35 inc. VAT -
M8 x 115mm Throughbolt Zinc Flake
M8 x 115mm Throughbolt Zinc Flake Hole Diameter 8mm Minimum Hole Depth In Substrate 55mm Length 115mm Recommended Torque - 10Nm From our Branded "Rawlplug" Range. For Use On Concrete. Sold IndividuallyCode: R-HPTM8/115 £0.55 ex. VAT
£0.66 inc. VAT -
Fischer FBS II Ultracut 8 x 130mm Concrete Screw (Box of 50)
FBS II Ultracut Concrete Screw 8 x 130mm Dimensions - 8mm x 130mm Use Drill Hole Diameter 8mm Zinc Plated Steel ETA / CE Approved For Use With Concrete, Brick and Block Fischer Product Code: 536857 (FBS II 8x130 80/65) Sold as Box of 50Code: FBS8130 £65.39 ex. VAT
£78.47 inc. VAT -
Rawl Plug – M10 x 65mm Throughbolt Zinc Flake
M10 x 65mm Throughbolt Zinc Flake Hole Diameter 10mm Minimum Hole Depth In Substrate 69mm Length 65mm Recommended Torque - 20Nm From our Branded "Rawlplug" Range. For Use On Concrete. Sold IndividuallyCode: R-HPTM10/65 £0.54 ex. VAT
£0.65 inc. VAT -
Fischer FBS II Ultracut 10 x 70mm Concrete Screw (Box of 50)
FBS II Ultracut Concrete Screw 10 x 70mm Dimensions - 10mm x 70mm Use Drill Hole Diameter 10mm Zinc Plated Steel ETA / CE Approved For Use With Concrete, Brick and Block Fischer Product Code: 536859 (FBS II 10x70 15/5) Sold as Box of 50Code: FBS1070 £67.19 ex. VAT
£80.63 inc. VAT -
Rawl Plug – M10 x 80mm Throughbolt Zinc Flake
M10 x 80mm Throughbolt Zinc Flake Hole Diameter 10mm Minimum Hole Depth In Substrate 69mm Length 80mm Recommended Torque - 20Nm From our Branded "Rawlplug" Range. For Use On Concrete. Sold IndividuallyCode: R-HPTM10/80 £0.57 ex. VAT
£0.68 inc. VAT -
Fischer FBS II Ultracut 10 x 90mm Concrete Screw (Box of 50)
FBS II Ultracut Concrete Screw 10 x 90mm Dimensions - 10mm x 90mm Use Drill Hole Diameter 10mm Zinc Plated Steel ETA / CE Approved For Use With Concrete, Brick and Block Fischer Product Code: 536861 (FBS II 10x90 35/25/5) Sold as Box of 50Code: FBS1090 £75.20 ex. VAT
£90.24 inc. VAT -
Rawl Plug – M10 x 95mm Throughbolt Zinc Flake
M10 x 95mm Throughbolt Zinc Flake Hole Diameter 10mm Minimum Hole Depth In Substrate 69mm Length 95mm Recommended Torque - 20Nm From our Branded "Rawlplug" Range. For Use On Concrete. Sold IndividuallyCode: R-HPTM10/95 £0.67 ex. VAT
£0.80 inc. VAT
