M12 x 100mm Hot Dip Galvanised Cup Head Bolts & Nuts
Deliver solid, lasting connections for outdoor timber projects with confidence. These M12 x 100mm hot dip galvanised cup head bolts and nuts anchor decks, posts, beams, and framing against the elements, delivering a dependable, tidy fastening solution.
The 12mm bolt diameter paired with a 100mm length ensures a secure fit in timber structures, while the hot-dip galvanised coating provides excellent corrosion resistance for outdoor and coastal environments. The smooth, low-profile cup head creates a clean finish and helps deter tampering, keeping hardware neatly tucked away on visible surfaces.
Ideal for decks, fencing, and pergola builds where durability and a neat appearance matter.
Key benefits
- Heavy-duty timber fastening designed for outdoor use
- Hot-dip galvanised coating for enhanced corrosion resistance
- Low-profile cup head for a clean, tamper-resistant finish
- Suitable for decks, posts, beams, and framing applications
Shipping options available. In‑store pickup available — contact us for pickup location & hours.