Self-drilling/self-tapping screws for metals and plastics – ex-stock from our team at Challenge Europe are often used in the construction industry, e.g. for fixing sheet metal in place on frameworks and can come with bonded washers to prevent water ingress in outdoor applications. Self-drilling screws come in a variety of formats but all are based [...]
We are delighted to hold in stock both metal thread-forming screws, e.g. for castings etc where they secure components by forming a machine thread – also purpose designed screws for thread forming in plastics. The team point out that thread forming tri-lobular screws are used for fixing into metal components – a form of self-tapping [...]
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