DrillFast® Fasteners For Timber

Application

For mechanically fixing metal sheeting systems up to 1.2 mm thickness to 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 (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 timber fasteners for roofing and cladding (1.2 mm).

Features and benefits:

  • High quality carbon steel with SAE1022 hardened case.
  • High drilling and tapping performance.
  • Good pull-out and shear performance.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.

Applications:

For mechanically fixing metal sheeting systems up to 1.2 mm thickness to 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 (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

Pr_20_29_76_76 Self-drilling screwsPrimary

CAWS

H31/10 Metal

H31/110 Metal

H31/120 Metal

H67/110 Metal roof tiling

H67/120 Metal roof tiling with counterbattens

H67/3 Metal roof tiling

H67/5 Metal roof tiling with counterbattens

H92/120 Rainscreen cladding

Specification data - Self-drilling screws

Product Reference

DrillFast® Fasteners for Timber, DFT-5.5 x 25

25 x 5.5 mm (l x diameter).

DrillFast® Fasteners for Timber, DFT-5.5 x 35

35 x 5.5 mm (l x diameter).

DrillFast® Fasteners for Timber, DFT-5.5 x 45

45 x 5.5 mm (l x diameter).

DrillFast® Fasteners for Timber, DFT-5.5 x 65

65 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:

1.2 mm (steel sheet).

Minimum penetration:

  • 18 mm plywood: 12 mm (through underside).
  • Timber: 35 mm embedment.

Build up:

  • 18 mm plywood: 0–5 mm (dependant on washer used).
  • 35 mm timber: 0–30 mm (dependant on washer used).

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): Softwood 35 mm embedment: 4.82 kN.
  • Pull through values (axial load resistance): 0.5 mm steel with A15 washer: 3.38 kN; 0.7 mm steel with A15 washer: 4.78 kN.
  • Shear values (lateral load resistance): C16 softwood with no washer: 2.09 kN; C16 softwood with A15 washer: 1.79 kN.

- Design values:

  • Pull out values (axial load resistance, to BS 5427): Softwood 35 mm embedment: 3.62 kN.
  • Pull through values (axial load resistance): 0.5 mm steel with A15 washer: 2.54 kN; 0.7 mm steel with A15 washer: 3.59 kN.
  • Shear values (lateral load resistance): C16 softwood: 1.57 kN; C16 softwood with A15 washer: 1.35 kN.

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

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