FIREFLY® TEK Screws are approved fixings within the FIREFLY® Fixings & Screws range, designed for securing FIREFLY® fire barrier systems and associated support components to steel substrates, including purlins, channels, and structural steelwork.
Manufactured in a 5.5mm diameter with a self-drilling TEK point, these screws allow fast and efficient installation into steel without pre-drilling. They are commonly used for fixing channels, fixing angles, and support elements that form part of FIREFLY® passive fire protection systems.
Available in 5.5mm x 38mm and 5.5mm x 50mm lengths, with multiple pack size options, FIREFLY® TEK Screws provide flexibility for both small installations and larger projects, while supporting compliant system installation when used in accordance with FIREFLY® guidance.
Available Size & Pack Variants
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5.5mm x 38mm TEK Screws
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Pack of 50
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Pack of 200
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5.5mm x 50mm TEK Screws
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Pack of 50
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Key Features
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Approved FIREFLY® fixing for steel substrates
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5.5mm diameter self-drilling TEK point
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Suitable for steel purlins, channels, and support elements
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Supports compliant installation of FIREFLY® fire barrier systems
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Available in multiple lengths and pack quantities
Typical Applications
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Fixing FIREFLY® channels and support systems to steel
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Installation of fire barrier restraint frameworks
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Use in roof voids, service areas, and industrial environments
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Suitable for commercial, industrial, and residential projects
Technical Specifications
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Product Type: TEK Screw
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Diameter: 5.5mm
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Length Options: 38mm, 50mm
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Substrate: Steel
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Pack Sizes:
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38mm: 50 or 200
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50mm: 50
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Compliance Note
FIREFLY® TEK Screws must be installed in accordance with FIREFLY® installation guidance and system details to maintain tested and certified fire performance.