To the untrained eye, one screw is as good as another, but those with a little more awareness have a better chance of realising that choosing the right screw for a particular job can mean the difference between a project succeeding and failing.
The industrial and construction sectors have literally hundreds of different types of screws and fasteners to select from; each type suited for a particular usage e.g. lubricated timber decking screws for quicker driving into outdoor decking, self-drilling screws for the convenience of not having to drill pilot holes and even screws that work specifically with the mechanical properties of plastics.
Before you can choose the best screw for a job you should consider the characteristics you desire in a screw such as:
* Does it need to be waterproof to avoid corrosion from moisture?
* Does the screw head need to be flush with material once it’s screwed into place?
* Does the screw need to be protected from vandalism or unauthorised removal?
* Is the screw to be used in wood, metal or perhaps plastic?
* What length of screw is required?
For different types of material there tends...
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