Home > Companies > Fixfast Ltd > DrillFast Fasteners for Timber to Steel 4–12 mm Thick

Carbon steel self-drilling fasteners for roofing and cladding (4–12 mm).

Features and benefits:

  • High quality carbon steel with SAE1022 hardened case.
  • Good drilling and tapping performance.
  • Consistently high pull-out and shear performance.
  • Wings behind the drill point form a clearance hole through the timber, breaking off in contact with the substrate.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.

Applications:

For mechanically fixing timber components to heavy metal purlins and sections. 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 TX-30 Torx drive.

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

Standard product features

Material:

Steel SAE1022 case, hardened.

Coating:

Multiple layer, organic.

Head type:

Countersunk head with number 30 Torx Drive.

Drilling capacity:

4–12 mm (steel).

Minimum penetration (heavy steel purlins):

30 mm (through underside).

Build up:

6–94 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 out values (axial load resistance, to BS 5427): On 4 mm steel: 7.94 kN; on 6 mm steel: 9.84 kN.

- Design value:

  • Pull out values (axial load resistance, to BS 5427): On 4 mm steel: 5.96 kN; on 6 mm steel: 7.39 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

Manufacturer

Name:

Fixfast Ltd

Tel:

+44 (0)1732 882387

Product reference

[DrillFast® Fasteners for Timber to Steel 4–12 mm thick, DF12-W-5.5 x 50]
-
50 x 5.5 mm (l x diameter).
[DrillFast® Fasteners for Timber to Steel 4–12 mm thick, DF12-W-5.5 x 60]
-
60 x 5.5 mm (l x diameter).
[DrillFast® Fasteners for Timber to Steel 4–12 mm thick, DF12-W-5.5 x 85]
-
85 x 5.5 mm (l x diameter).
[DrillFast® Fasteners for Timber to Steel 4–12 mm thick, DF12-W-5.5 x 109]
-
109 x 5.5 mm (l x diameter).
[DrillFast® Fasteners for Timber to Steel 4–12 mm thick, DF12-W-5.5 x 135]
-
135 x 5.5 mm (l x diameter).

Washer

[Required]
-
Consult manufacturer for information.
[Not required]

Manufacturer details

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