Structural fixings

Structural fixings for making connections come in around 20 variants. They are generally sendzimir galvanised, hot-dip galvanised or stainless steel, and furnished with a large number of holes for nails or screws. The number of nails or screws required and the holes that should be used depend on which forces the fixing is transferring. Anchor nails and anchor screws are designed for maximum load uptake between fixing and underlying wood. This is determined in the design process or in simpler cases using the manufacturer’s information.

Examples of structural fixings

 

Examples of additional screw applications

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Concrete screw with specialist thread
Timber studs to concrete. Wood and concrete must be pre-drilled. For indoor and outdoor environments.

 

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Self-drilling screw with reduced drill tip (farmer screw)
Profiled sheet metal on roofs and walls. Threaded metal washer combined with vulcanised EPDM rubber for optimum seal. For indoor and outdoor environments.

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Lightweight concrete screw with specialist thread
Timber studs fixed to lightweight concrete and aircrete blocks. Fix into lightweight concrete without pre-drilling. For indoor and outdoor environments (testing recommended first)

 

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Self-drilling screw with fixed flange
Highly profiled sheet metal, insulated ceiling. Interior installation with sealing requirements.



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Self-drilling screw with wings
For timber studs to steel with cold-formed profile for play in timber stud. For indoor and outdoor environments.

 

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Self-drilling screw with wings
For corrugated fibre cement panels on roofs, with special washer to fit the curve of the top profile. For outdoor environments.



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Self-drilling and self-tapping screws
With special threaded metal washer for sandwich panels in ceilings and walls. For indoor and outdoor environments.

 

 

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Self-drilling screw with reamer wings
For fibre cement panels on façades. With threaded metal washer combined with vulcanised EPDM rubber. For outdoor environments.

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