Home > Companies > Fixfast Ltd > DrillFast® Fibre Cement Sheeting Fasteners

Carbon steel self-drilling fasteners for roofing and cladding (1.2–3 mm).

Features and benefits:

  • High quality carbon steel with SAE1022 hardened case.
  • Good drilling and tapping performance.
  • Optimised thread design to prevent fastener unwinding.
  • Wings drill clearance holes in sheeting to allow for thermal movement.
  • Comes with folded copper washer (FCW) for weather sealing.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.


For mechanically fixing fibre cement sheeting to light metal purlins and rails. For use in the following locations:

  • Buildings in residential and commercial settings with humidity class of Class 1, Class 2 or Class 3 to BS 5250.
  • Buildings with an internal temperature range of -45°C to 50°C.

To be fixed with Fixfast YellowDrive.

Fixfast products must be used as a complete system with tools and accessories as recommended - consult manufacturer for details.

Standard product features


Steel SAE1022 case, hardened.


Multiple layer, organic.

Head type:

Hexagon, 8 mm.

Drilling capacity:

1.2–3 mm (steel).

Minimum penetration (light steel purlins):

18 mm (through underside).

Build up:

44–92 mm.

Durability class:

  • Interior environments: C1 (25).
  • Semi-interior: 20.
  • Urban: C2 (12).
  • Rural: C3.
  • Industrial/ coastal: C4.
  • Marine: C5.

Technical characteristics:

- Characteristic values:

  • Pull through values (axial load resistance): 1.2 mm steel: 2.13 kN; 2 mm steel: 4.81 kN; 3 mm steel: 6.80 kN.

- Design values:

  • Pull through values (axial load resistance): 1.2 mm steel: 1.6 kN; 2 mm steel: 2.83 kN; 3 mm steel: 5.11 kN.

Other figures and specific testing are available on request - consult manufacturer for information.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-50-60/415 Self-drilling or self-tapping screws

Product specification

An important note about specifying



Fixfast Ltd


+44 (0)1732 882387

Product reference

[DrillFast® Fibre Cement Sheeting Fasteners 1.2–3 mm Steel, DF3-FCW-6.3 x 105]
105 x 6.3 mm (l x diameter).
[DrillFast® Fibre Cement Sheeting Fasteners 1.2–3 mm Steel, DF3-FCW-6.3 x 125]
125 x 6.3 mm (l x diameter).


Consult manufacturer for information.
[Not required]

Manufacturer details

Merlin House,
Seven Mile Lane,
Borough Green,
Kent, TN15 8QY
Tel +44 (0)1732 882387
Fax +44 (0)1732 885532
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