Home > Companies > Fixfast Ltd > MatchFast® A3/304 Stainless Steel Fasteners for 4–12 mm Steel

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

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.
  • Colour moulded head.
  • 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.

To be fixed with FixFast MF1165.

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

Standard product features

Size (l x diameter):

40 x 5.5 mm.

Material:

1.4301 stainless steel (304M), with carbon steel case hardened welded point and UV-stabilized nylon moulded head.

Coating:

Multiple layer organic.

Head type:

Bi-Hex 11 mm.

Drilling capacity:

4–12 mm (steel).

Minimum penetration (heavy steel purlins):

30 mm (through underside).

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: On 4 mm steel: 5.44 kN; on 6 mm steel: 12.75 kN; on 8 mm steel: 13.92 kN; on 12 mm steel: 13.92 kN.
  • Pull through values (axial load resistance): 0.5 mm steel with A15 washer: 3.38 kN.
  • Shear values (lateral load resistance): 4 mm steel with A15 washer: 2.11 kN.

- Design values:

  • Pull out values (axial load resistance), to BS 5427: On 4 mm steel: 4.09 kN; on 6 mm steel: 9.58 kN; on 8 mm steel: 10.47 kN; on 12 mm steel: 10.47 kN.
  • Pull through values (axial load resistance): 0.5 mm steel with A15 washer: 2.54 kN.
  • Shear values (lateral load resistance): 4 mm steel with A15 washer: 1.59 kN.

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

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-50-60/415 Self-drilling or self-tapping screws

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

Fixfast Ltd

Tel:

+44 (0)1732 882387

Product reference

MatchFast® A3/304 Stainless Steel Fasteners for 4–12 mm Steel, MF12-SS-A15-5.5 x 40

Washer

[Required]
-
Consult manufacturer for information.
[Not required]

Colour

[ ______ ]

Manufacturer details

Merlin House,
Seven Mile Lane,
Borough Green,
Sevenoaks,
Kent, TN15 8QY
Tel +44 (0)1732 882387
Fax +44 (0)1732 885532
NBS Plus
RIBA CPD