Adhesion Technologies Ltd. (ATL, Hampshire, UK) has developed a range of in-mold bonded fasteners, which reduce build time by eliminating the need for hole-drilling. Designed by composite engineers in conjunction with Southampton University and the UK government-funded Farnborough Aerospace Consortium, ATL’s patented products comprise more than 2,000 variants, including manganese-boron alloy, 316L stainless steel and thermoplastics as well as a castellated base option, which boosts torsional strength by 24%. Trademarked Spida Fixings, these fasteners have been designed to dissipate stress in composite structures, can be epoxy-coated to reduce risk of galvanic corrosion and are used in composite structures made via vacuum.

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