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Application

For mechanically fixing composite panel systems to timber. 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 YellowDrive (8 mm hexagon integral socket).

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

Description

Carbon steel self-drilling fasteners for roofing and cladding.

Features and benefits:

  • High quality carbon steel with SAE1022 hardened case.
  • Good drilling and tapping performance into timber.
  • High pull-out and shear performance.
  • High thread provides optimal clamping force to the top sheet.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.

Applications:

For mechanically fixing composite panel systems to timber. 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 YellowDrive (8 mm hexagon integral socket).

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

General information
Material

Steel SAE1022 case, hardened

Uniclass 2015 Self-drilling screws (Pr_20_29_76_76)
Specification data
Product Reference

DrillFast® Composite Panel Fasteners for Timber, DF3-HT-5.5 x 80

80 x 5.5 mm (l x diameter).

DrillFast® Composite Panel Fasteners for Timber, DF3-HT-5.5 x 100

100 x 5.5 mm (l x diameter).

DrillFast® Composite Panel Fasteners for Timber, DF3-HT-5.5 x 130

130 x 5.5 mm (l x diameter).

DrillFast® Composite Panel Fasteners for Timber, DF3-HT-5.5 x 180

180 x 5.5 mm (l x diameter).

Washer

Required

Consult manufacturer for information.

Not required

Standard product features

Material:

Steel SAE1022 case, hardened.

Coating:

Multiple layer organic.

Head type:

Hexagon, 8 mm.

Drilling capacity:

Timber, and steel sheet up to 1.2 mm thickness.

Minimum penetration (softwood):

35 mm embedment.

Build up:

36–144 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 BS5427): Softwood 35 mm embedment: 4.81 kN.
  • Pull through values (axial load resistance): Composite panel with A15 washer: 0.93 kN.
  • Shear values (lateral load resistance): Timber with A15 washer: 0.78 kN.

- Design values:

  • Pull out values (axial load resistance, to BS5427): Softwood 35 mm embedment: 3.61 kN.
  • Pull through values (axial load resistance): Composite panel with A15 washer: 0.70 kN.
  • Shear values (lateral load resistance): Timber with A15 washer: 0.59 kN.

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