M12 x 150mm Hot Dip Galvanised Cup Head Bolts & Nuts

Secure, long-lasting connections for outdoor timber projects. Our M12 x 150mm hot dip galvanised cup head bolts and nuts provide strong, deep anchoring for decks, pergolas, and structural frames.

The hot-dip galvanised finish delivers robust rust and corrosion resistance, making them ideal for coastal or exposed environments. A smooth, low-profile cup head sits flush and tamper-resistant, giving your build a clean, professional look.

Perfect for joining large posts, beams, or framing with dependable strength and durability that stands up to the elements.

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