DrillFast® A2/304 Stainless Steel Halter Fasteners

Application

Suitable for the mechanical fixing of clips and halters to steel and timber 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.
  • Coastal locations.

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.

Description

Stainless steel self-drilling halter fasteners for roofing and cladding.

Features and benefits:

  • Grade 1.4301 (304), A2 stainless steel is used for optimum resistance to corrosion.
  • Bi-metal, manufactured for superior drilling performance.
  • Good pull-out and shear performance.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.

Applications:

Suitable for the mechanical fixing of clips and halters to steel and timber 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.
  • Coastal locations.

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.

General information

Material

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

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® A2/304 Stainless Steel Halter Fasteners, DF2-SS-6.0 x 45

45 x 6 mm (l x diameter). With a reduced drill point for fastening into thin steel and timber.

DrillFast® A2/304 Stainless Steel Halter Fasteners, DF3-SS-6.0 x 45

45 x 6 mm (l x diameter). For fastening into steel 1.2–3 mm thick.

Washers

Required

Consult manufacturer for information.

Not required

Standard product features

Material:

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

Coating:

Organic.

Head type:

Hexagon, 8 mm.

Drilling capacity:

  • DF2: 0.7–2 mm (steel).
  • DF3: 1.2–3 mm (steel).

Minimum penetration:

– DF2:

  • Light steel purlins: 18 mm (through underside).
  • Timber: 35 mm minimum embedment.

– DF3:

Light steel purlins: 22 mm (through underside).

Build up:

0–24 mm (dependent on washer used).

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): DF2: 0.5 mm steel: 0.69 kN; 1.2 mm steel: 2.67 kN; 2 mm steel: 4.83 kN; DF3: 1.5 mm steel: 2.19 kN; 2 mm steel: 3.06 kN; 3 mm steel: 6.37 kN.
  • Pull through values (axial load resistance, to BS 5427): 0.5 mm steel with A15 washer: 3.06 kN; 0.7 mm steel with A15 washer: 3.54 kN.
  • Shear values (lateral load resistance): 1.2 mm steel with no washer: 2.03 kN.

– Design values:

  • Pull out values (axial load resistance, to BS 5427): DF2: 0.5 mm steel: 0.51 kN; 1.2 mm steel: 2 kN; 2 mm steel: 3.63 kN; DF3: 1.5 mm steel: 1.64 kN; 2 mm steel: 2.30 kN; 3 mm steel: 4.78 kN.
  • Pull through values (axial load resistance, to BS 5427): 0.5 mm steel with A15 washer: 1.80 kN; 0.7 mm steel with A15 washer: 2.08 kN.
  • Shear values (lateral load resistance): 1.2 mm steel with no washer: 1.52 kN.

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

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