DrillFast® A4/316 Low Profile Stainless Steel Fasteners for 1.2–3.0 mm Steel

DrillFast® A4/316 Low Profile Stainless Steel Fasteners for 1.2–3.0 mm Steel

Fixfast Ltd

Low profile, stainless steel self-drilling fasteners for roofing and cladding (1.2–3 mm).

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+44 (0)1732 882387 www.fixfast.com

Application

Suitable for mechanical fixing of the following:

  • Metal sheeting systems to light metal purlins and rails.
  • Components of steel, aluminium and metal framing systems.

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 (but should not be placed into contact with sea water).

To be fixed with Fixfast RedDrive.

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

Description

Low profile, stainless steel self-drilling fasteners for roofing and cladding (1.2–3 mm).

Features and benefits:

  • Grade 1.4401 (316), A4 stainless steel is used for optimum resistance to corrosion.
  • Bi-metal, manufactured for superior drilling performance.
  • Low profile head for a discreet finish, which can be powder-coated for colour-matching.
  • Good pull-out and shear performance.
  • Manufactured in accordance with ISO 9001 and ISO 14001 Quality and Management Systems.

Applications:

Suitable for mechanical fixing of the following:

  • Metal sheeting systems to light metal purlins and rails.
  • Components of steel, aluminium and metal framing systems.

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 (but should not be placed into contact with sea water).

To be fixed with Fixfast RedDrive.

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

General information

Material

Grade 1.4401 (316) 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

H92/120 Rainscreen cladding

Product range

Fastener Systems

Specification data - Self-drilling screws

Product Reference

DrillFast® A4/316 Low Profile Stainless Steel Fasteners for 1.2–3.0 mm Steel, DF3-SSA4-P-5.5 x 25

25 x 5.5 mm (l x diameter).

DrillFast® A4/316 Low Profile Stainless Steel Fasteners for 1.2–3.0 mm Steel, DF3-SSA4-P-5.5 x 35

35 x 5.5 mm (l x diameter).

DrillFast® A4/316 Low Profile Stainless Steel Fasteners for 1.2–3.0 mm Steel, DF3-SSA4-P-5.5 x 50

50 x 5.5 mm (l x diameter).

DrillFast® A4/316 Low Profile Stainless Steel Fasteners for 1.2–3.0 mm Steel, DF3-SSA4-P-5.5 x 75

75 x 5.5 mm (l x diameter).

Washers

Required

Consult manufacturer for information.

Not required

Colour

Polyester powder coated, colour

Insert requirements.

Standard product features

Material:

Grade 1.4401 (316) stainless steel with carbon steel case and hardened, welded point.

Coating:

Organic.

Head type:

Low profile pan, TX25 recess.

Drilling capacity:

1.2–3 mm (steel).

Minimum penetration:

18 mm (through underside). 25 mm should be allowed for DF3-SSA4-P-5.5 x 35.

Build up:

0–54 mm (dependent on washer used).

Durability class:

  • Interior environments: C1 (40).
  • Semi-interior: 40.
  • Urban: C2 (40).
  • Rural: C3 (30).
  • Industrial/ coastal: C4 (30).
  • Marine: C5 (25).

Technical characteristics:

– Characteristic values:

  • Pull out values (axial load resistance, to BS 5427): On 1.2 mm steel: 1.30 kN; on 2 mm steel: 2.62 kN; on 3.0 mm steel: 4.76 kN.
  • Pull through values (axial load resistance): 0.5 mm steel with A15 washer: 3.81 kN; 0.7 mm steel with A15 washer: 3.94 kN.
  • Shear values (lateral load resistance, with A15 washer): 1.2 mm steel: 1.97 kN.

– Design values:

  • Pull out values (axial load resistance, to BS 5427): On 1.2 mm steel: 0.97 kN; on 2 mm steel: 1.97 kN; on 3.0 mm steel: 3.58 kN.
  • Pull through values (axial load resistance): 0.5 mm steel with A15 washer: 2.86 kN; 0.7 mm steel with A15 washer: 2.96 kN.
  • Shear values (lateral load resistance, with A15 washer): 1.2 mm steel: 1.48 kN.

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

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