DrillFast® Fasteners for 8–25 mm Steel

Application

For mechanically fixing steel sheeting systems to super-heavy steel purlins and sections. 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.

Description

Carbon steel self-drilling fasteners for roofing and cladding (8–25 mm).

Features and benefits:

  • High quality carbon steel with SAE1022 hardened case.
  • High drilling and tapping performance into steel up to 25 mm thick.
  • Good pull-out and shear performance.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.

Applications:

For mechanically fixing steel sheeting systems to super-heavy steel purlins and sections. 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.

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

H92/120 Rainscreen cladding

Product range

Fastener Systems

Specification data - Self-drilling screws

Product Reference

DrillFast fasteners for steel 8 - 25 mm steel, DF25-6.3 x 65

Washer

Required

Consult manufacturer for information.

Not required

Standard product features

Size (l x diameter):

65 x 6.3 mm.

Material:

Steel SAE1022 case, hardened.

Coating:

Multiple layer organic.

Head type:

Hexagon, 8 mm.

Drilling capacity:

8–25 mm (steel).

Minimum penetration (heavy steel purlins):

33 mm (through underside).

Build up:

0–5 mm (dependent 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): On 8 mm steel: 15.63 kN; on 12 mm steel: 15.63 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): 8 mm steel with no washer: 1.84 kN; 0.7 steel with A15 washer: 2.53 kN.

- Design values:

  • Pull out values (axial load resistance, to BS 5427): On 8 mm steel: 11.75 kN; on 12 mm steel: 11.75 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): 8 mm steel: 1.38 kN; 0.7 steel with A15 washer: 1.90 kN.

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

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