DrillFast® A4/316 Low Profile Lacquered Stainless Steel Fasteners for 4–12 mm Steel

DrillFast® A4/316 Low Profile Lacquered Stainless Steel Fasteners for 4–12 mm Steel

Fixfast Ltd

Stainless steel self-drilling fasteners for roofing and cladding (4–12 mm).

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Application

For mechanically fixing steel sheeting systems to 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, 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 (integral socket with TX25 drive).

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

Description

Stainless steel self-drilling fasteners for roofing and cladding (4–12 mm).

Features and benefits:

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

Applications:

For mechanically fixing steel sheeting systems to 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, 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 (integral socket with TX25 drive).

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

General information

Material

Stainless steel, grade 1.4401 (316), 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

H43/120 Metal insulating sandwich panel

Product range

Fastener Systems

Specification data - Self-drilling screws

Product Reference

DrillFast® Low Profile Lacquered Stainless Steel Fasteners for 4–12 mm Steel, DF12-SSA4-P-5.5 x 40

Washer

Required

Consult manufacturer for information.

Not required

Colour

Polyester powder coated, colour

Insert requirements.

Standard product features

Size (l x diameter):

40 x 5.5 mm.

Material:

Stainless steel, grade 1.4401 (316), with carbon steel case and hardened, welded point.

Coating:

Organic.

Head type:

Low profile pan, TX25 recess.

Drilling capacity:

4–12 mm (steel).

Minimum penetration (heavy steel purlins):

27 mm through underside.

Build up:

0–1 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 4 mm steel: 2.80 kN; on 6 mm steel: 3.09 kN; on 8 mm steel: 6.89 kN; on 12 mm steel: 6.89 kN.
  • Pull through values (axial load resistance): 0.5 mm steel with A15 washer: 3.81 kN.
  • Shear values (lateral load resistance): 4 mm steel with A15 washer: 2.29 kN.

- Design values:

  • Pull out values (axial load resistance, to BS 5427): On 4 mm steel: 2.11 kN; on 6 mm steel: 2.32 kN; on 8 mm steel: 5.18 kN; on 12 mm steel: 5.18 kN.
  • Pull through values (axial load resistance): 0.5 mm steel with A15 washer: 2.87 kN.
  • Shear values (lateral load resistance): 4 mm steel: 1.72 kN.

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

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