M16 x 260mm Hot Dip Galvanised Cup Head Bolts & Nuts

Secure, high-strength timber connections are effortless with this M16 cup head bolt and matching nut set, ideal for demanding outdoor builds. The 260mm length provides deep timber fixing for oversized beams, posts, and heavy construction elements on decks, fences, pergolas, and retaining walls.

Finished in hot dip galvanised coating, these bolts resist corrosion in coastal, wet, and exposed environments, helping your project stay solid for years. The smooth cup head delivers a neat, flush appearance and added tamper resistance for a clean, secure finish.

Key benefits

• Extra-long 260mm length for deep timber fixing
• 16mm diameter for strong, high-strength connections
• Hot dip galvanised for enhanced corrosion resistance
• Smooth cup head for a clean, secure finish

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