DrillFast® Stitching Fasteners

Application

For mechanically fixing/ stitching two metal sheets up to 1 mm thick together. 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 fasteners for roofing and cladding (1 mm).

Features and benefits:

  • High quality carbon steel with SAE1022 hardened case.
  • Good drilling and tapping performance.
  • High pull-out and shear performance.
  • Free-spin design helps to prevent damage arising from overdriving the fastener.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.

Applications:

For mechanically fixing/ stitching two metal sheets up to 1 mm thick together. 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

H43/10 Metal insulating sandwich panel

H43/120 Metal insulating sandwich panel

Specification data - Self-drilling screws

Product Reference

DrillFast® Stitching Fasteners, DF2-LS-A14-4.8 x 20

20 x 4.8 mm (l x diameter).

DrillFast® Stitching Fasteners, DF2-LS-A15-6.3 x 25

25 x 6.3 mm (l x diameter).

DrillFast® Stitching Fasteners, DF2-LS-A15-8.0 x 25

25 x 8 mm (l x diameter).

DrillFast® Stitching Fasteners, DF2-LS-A19-6.3 x 25

25 x 6.3 mm (l x diameter).

DrillFast® Stitching Fasteners, DF2-LS-A19-8.0 x 25

25 x 8 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:

Two steel sheets up to 1 mm thickness each.

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 0.5 mm steel): On 4.8 mm fastener with A14 washer: 0.56 kN; 6.3 mm fastener with A15 washer: 0.68 kN; 8 mm with A15 washer: 0.91 kN.
  • Pull through values (axial load resistancem on 0.5 mm steel): 4.8 mm fastener and A14 washer: 3.5 kN; 6.3 mm fastener and A15 washer: 3.38 kN; 8 mm fastener and A15 washer: 3.38 kN.
  • Shear values: (lateral load resistance, with two sheets of 0.5 mm steel): 4.8 mm fastener and A14 washer: 0.98 kN; 6.3 mm fastener and A15 washer: 1.28 kN; 8 mm fastener and A15 washer: 1.53 kN.

- Design values:

  • Pull out values (axial load resistance, to BS 5427, on 0.5 mm steel): On 4.8 mm fastener with A14 washer: 0.42 kN; 6.3 mm fastener with A15 washer: 0.51 kN; 8 mm with A15 washer: 0.68 kN.
  • Pull through values (axial load resistance, on 0.5 mm steel): 4.8 mm fastener and A14 washer: 2.63 kN; 6.3 mm fastener and A15 washer: 2.54 kN; 8 mm fastener and A15 washer: 2.54 kN.
  • Shear values: (lateral load resistance, with two sheets of 0.5 mm steel): 4.8 mm fastener and A14 washer: 0.73 kN; 6.3 mm fastener and A15 washer: 0.96 kN; 8 mm fastener and A15 washer: 1.15 kN.

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

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