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FAQs

Answers to your technical and commercial questions about bigHead fastening products.

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    Large square Head

    • Can bigHead provide installation strength data for large square Head customised products?

      Yes, but only for application‑specific enquiries. Adhesives and embedment designs vary widely, so we can’t publish direct data comparisons between standard and customised products.

    • Can I combine a large square Head with a non‑standard fixing length or size?

      Not through our customisation service – but we’d love to guide you through our Create service and create a new solution for you.

    • Can the B58 or S58 Head design itself be modified?

      No, not through our customisation service. The B58/S58 designs (diameter, cropped profile, perforation layout, thickness) are fixed.

    • Does using a large square Head change the strength rating of the product?

      Fixing load limits (FLL) remain the same as their standard counterparts. Weld load limits (WLL) and tightening torques may differ. We can provide these on request.

    • When should I use a large square Head instead of a standard Head?

      Use a large square Head when you need to maximise the load distribution – typically with thin, flexible, or low‑strength materials where a standard Head may cause localised bending, imprinting, or failure.