With all the benefits of the internet it has become apparent that there are dangers – who of us has not come across the life-critical disease “we have self-diagnosed” online, or the false news/conspiracy theory which can reinforce our worst fears? At a professional industrial level, Challenge Europe often find design engineers overlook the sophistication [...]
Machine screws are used almost everywhere! They are ubiquitous in assembly roles world-wide, especially for fixing accessories to castings, fixing castings together, often with nuts – fixing covers in place – from marine situations to aerospace, packaging to electronics. The materials choice begins with low-grade steel for general purpose on up to high-force situations requiring [...]
The team here at Challenge Europe are used to dealing with questions of specification regarding materials and finishes of threaded fasteners. This preferably occurs early in the process of defining new assemblies, but may equally be of value at service or repair. A good example is one where black stainless steel screws were specified using [...]
Machine Screws represent a technology that is now conventional, so that here at Challenge Europe we believe it is interesting to ask “what is their future?” We have already seen many developments in drives/head configurations for automated production such as Hex drives and other socket screws, leading on to the more modern Phillips, Pozi and [...]
Sorting out the multiplicity of screw thread designs has been such a big issue for so long that there are lots of guides to give approximate conversions, although naturally there are no actual like-for-like equivalents. Our team here at Challenge Europe recently discussed a little history and some future-gazing. Imperial threads – as it may [...]
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 [...]
Our team are pleased to offer ex-stock Hexalobular Internal Drive screws (generically of the TORX style) as part of our manufacturing supply service for delivery under normal production protocols, e.g. Lineside supply, JIT, Kanban or similar. Often referred to as star drive or multi-splined screws, they are available in metric standard sizes and are designed [...]
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