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Forgefix TechFast Hex/Washer Self Drilling Roof Screw - 5.5 x 45mm - 100 Pack - Grey

Forgefix TechFast Hex/Washer Self Drilling Roof Screw - 5.5 x 45mm - 100 Pack - Grey

Self drilling screw with hex / flange head and EPDM washers. For fixing light section purlins. Sal...

Best current price£4.14from Power Tools Direct

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Forgefix Light Tfhl5570 Techfast Hex Head Roofing Screw Self-Drill Section 5.5 X 70Mm Pack 50

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B&Q - Tfhl5538 Techfast Hex Head Roofing Screw Self-Drill Light Section 5.5 X 38mm Pack 100 Fortfhl5538

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Power Tools DirectForgefix Light Tfhl5570 Techfast Hex Head Roofing Screw Self-Drill Section 5.5 X 70Mm Pack 50
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Rapid Online - Rapid Electronics Ltd.ForgeFix TechFast Hex Head Roof Screw Self-Drill Light Section 5.5...
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Blueperry agriculture (UK)Forgefix Light Techfast Hex Head Roofing Screw 5.5 X 57Mm Tfhl5557
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eBayForgeFix TechFast Hex Head Roof Screw Self-Drill Light Section 5.5x57mm Pack 50
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B&QB&Q - Tfhl5538 Techfast Hex Head Roofing Screw Self-Drill Light Section 5.5 X 38mm Pack 100 Fortfhl5538
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Product Information

Full details

This guide is for anyone using Forgefix TechFast Hex Washer Self Drilling Roof Screws. These screws are designed for efficiently fixing cladding and sheet metal to light section purlins, offering a durable and weather-resistant solution. Please note that proper installation techniques are crucial to ensure the effectiveness of the weather seal created by the EPDM washers.

All features

ColourGrey
Model Part NumberTFHL5545
BrandForgefix

Extended Product Information

FAQs

What is the purpose of the EPDM washer?

The EPDM washer creates a permanent weather seal, preventing water from penetrating the roof structure.

What material thickness can these screws handle?

These screws are designed for materials with a thickness between 1.2mm to 3.6mm.

What type of drill bit is required?

A hex head driver bit is required to install these screws.

Are these screws suitable for use in coastal environments?

Yes, the Elementech corrosion-resistant coating provides enhanced durability in various environments, including coastal areas.

How do I prevent over-tightening?

Apply consistent pressure, and stop tightening when the head is flush with the surface. Avoid excessive force.

What does 'self-drilling' mean?

Self-drilling means the screw has a tip designed to create its own hole, eliminating the need for pre-drilling.

What is the salt spray test?

The salt spray test is a test to measure the corrosion resistance of the screw.

Troubleshooting

Screw not drilling properly.

Ensure the drill is set to the correct speed and that sufficient pressure is being applied. Check the drill bit for damage.

Washer not sealing effectively.

Verify that the screw is not over-tightened and that the washer is properly seated. Check for any damage to the washer.

Corrosion observed on the screw.

Check if the screw has been scratched during installation and if the protective coating has been compromised. Replace affected screws.

Pros and Cons

Pros

  • Self-drilling design simplifies installation.
  • EPDM washers provide a reliable weather seal.
  • Corrosion-resistant coating extends the lifespan of the screws.
  • Suitable for a range of material thicknesses.

Cons

  • Requires proper installation to ensure the effectiveness of the weather seal.
  • Specific to light section purlin applications.
  • May require specific tools for optimal installation.

Setup, Compatibility & Care

  1. Preparation: Ensure the purlins and the materials to be fixed are properly aligned and positioned.
  2. Installation: Use a drill with a suitable hex head driver bit. Apply consistent pressure to allow the screw to self-drill and seat properly.
  3. Tightening: Avoid over-tightening the screws, as this can damage the EPDM washer and compromise the seal. The head should be flush with the surface.
  4. Compatibility: These screws are compatible with light section purlins and various cladding and sheet metal materials within the specified thickness range.
  5. Care: Regularly inspect the screws for any signs of corrosion or damage. Replace any damaged screws promptly. Ensure that the washers remain intact to maintain the weather seal.

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