M16 x 150mm Hot Dip Galvanised Cup Head Bolts & Nuts

Secure, rust-resistant connections for timber projects with a clean, flush finish. These M16 x 150mm cup head bolts and nuts are hot-dip galvanised to withstand outdoor conditions and heavy use on decks and framing.

The concave cup head sits flush against the surface, delivering a tamper-resistant look that stays neat over time. Each package includes the bolts plus matching nuts, giving you a reliable fastening pair for timber applications.

Shipping options available. In‑store pickup available — contact us for pickup location & hours.