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FAQs

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

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    Alternative finishes and coatings

    • Are all bigHead products compatible with every coating option?

      Compatibility depends on the geometry of the fixing and the coating‑process limitations (e.g. residue traps, tumbling witness marks). Get in touch with us for advice on compatibility.

    • Can I combine different product types to reach the 500‑piece minimum order?

      No. The 500‑piece minimum applies per product type. Mixed configurations cannot be combined to meet the threshold.

    • Do alternative finishes or coatings change the strength of the fastener?

      No. Alternative finishes and coatings only modify surface‑level properties such as friction, corrosion resistance, or appearance. They do not increase the mechanical strength of the fastener.

    • When should I choose a stainless steel passivation or a Xylan coating?

      Choose passivation when you need improved surface cleanliness or corrosion resistance of 316 stainless steel.

      Choose Xylan when you need a low‑friction, anti‑galling surface or a consistent black aesthetic.

    • Will coatings affect thread performance or torque settings?

      Potentially, yes. Coatings such as TnT systems or Xylan influence friction levels, so torque values or assembly behaviour may differ from standard finishes. We can advise where torque‑controlled assembly is important.