Home > Companies > Fixfast Ltd > DrillFast® Composite Panel Fasteners for 1.2–3.0 mm Steel

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.
  • High pull-out and shear performance.
  • High thread provides optimal clamping force to top sheet.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.

Applications:

For mechanically fixing composite panel systems to light metal purlins, rails, and timber. 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

Material:

Steel SAE1022 case, hardened.

Coating:

Multiple layer, organic.

Head type:

Hexagon, 8 mm.

Drilling capacity:

1.2–3 mm (steel).

Minimum penetration:

- Light steel purlins:

16 mm (through underside).

- Softwood (35 mm embedment):

  • 20 mm minimum edge distance (across grain).
  • 50 mm minimum thickness.
  • 100 mm edge distance (end grain).

Build up:

11–230 mm (dependent on washer use).

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 1.2 mm steel: 1.52 kN; on 2 mm steel: 3.01 kN; on 3 mm steel: 5.42 kN; Softwood 35 mm embedment: 3.57 kN.
  • Pull through values (axial load resistance): Composite panel with A15 washer: 0.93 kN.
  • Shear values (lateral load resistance): 1.2 mm steel with A15 washer: 0.92 kN.

- Design values:

  • Pull out values (axial load resistance, to BS 5427): On 1.2 mm steel: 1.14 kN; on 2 mm steel: 2.27 kN; on 3 mm steel: 4.08 kN; Softwood 35 mm embedment: 2.68 kN.
  • Pull through values (axial load resistance): Composite panel with A15 washer: 0.70 kN.
  • Shear values (lateral load resistance): 1.2 mm steel with A15 washer: 0.69 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® Composite Panel Fasteners for 1.2–3 mm Steel, DF3-HT-5.5 x 65]
-
65 x 5.5 mm (l x diameter).
[DrillFast® Composite Panel Fasteners for 1.2–3 mm Steel, DF3-HT-5.5 x 85]
-
85 x 5.5 mm (l x diameter).
[DrillFast® Composite Panel Fasteners for 1.2–3 mm Steel, DF3-HT-5.5 x 105]
-
105 x 5.5 mm (l x diameter).
[DrillFast® Composite Panel Fasteners for 1.2–3 mm Steel, DF3-HT-5.5 x 130]
-
130 x 5.5 mm (l x diameter).
[DrillFast® Composite Panel Fasteners for 1.2–3 mm Steel, DF3-HT-5.5 x 150]
-
150 x 5.5 mm (l x diameter).
[DrillFast® Composite Panel Fasteners for 1.2–3 mm Steel, DF3-HT-5.5 x 180]
-
180 x 5.5 mm (l x diameter).
[DrillFast® Composite Panel Fasteners for 1.2–3 mm Steel, DF3-HT-5.5 x 200]
-
200 x 5.5 mm (l x diameter).
[DrillFast® Composite Panel Fasteners for 1.2–3 mm Steel, DF3-HT-5.5 x 250]
-
250 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