Home > Companies > Fixfast Ltd > DrillFast® A2/304 Stainless Steel Fibre Cement Sheeting Fasteners

Stainless steel self-drilling fasteners for steel fibre cement sheeting on roofing and cladding.

Features and benefits:

  • Grade 1.4301 (304), A2 stainless steel is used for optimum resistance to corrosion.
  • Good drilling and tapping performance.
  • Optimised thread design helps to prevent faster unwinding.
  • The wings drill a clearance hole in the sheeting to allow for movement.
  • Supplied with folded copper washer (FCW) for weather sealing.
  • Consistently high pull-out and shear performance.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.


Suitable for the mechanical fixing of 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, Class 3 or Class 4 to BS 5250.
  • Buildings with an internal temperature range of -45°C to 50°C.

To be fixed with Fixfast GreenDrive (8 mm hexagon integral socket with retaining clip).

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

Standard product features

Size (l x diameter):

125 x 6.3 mm.


Grade 1.4301 (304) stainless steel with carbon steel case and hardened, welded point.



Head type:

Hexagon, 8 mm.

Drilling capacity:

1.2–3 mm (steel).

Minimum penetration (light steel purlins):

18 mm (through underside).

Build up:

49–95 mm (with FCW washer).

Durability class:

  • Interior environments: C1 (30).
  • Semi-interior: 25.
  • Urban: C2 (25).
  • Rural: C3 (25).
  • Industrial/ coastal: C4 (15).
  • Marine: C5.

Technical characteristics:

– Characteristic values:

  • Pull out values (axial load resistance, to BS 5427): 1.2 mm steel: 1.84 kN; 2 mm steel: 3.08 kN; 3 mm steel: 5.64 kN.

– Design values:

  • Pull out values (axial load resistance, to BS 5427): 1.2 mm steel: 1.09 kN; 2 mm steel: 1.81 kN; 3 mm steel: 3.32 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® A2/304 Stainless Steel Fibre Cement Sheeting Fasteners, DF3-SS-FCW-6.3 x 125

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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