The Cup Square Nut & Bolt features a dome-shaped head with a square section beneath, designed to prevent rotation during tightening. Commonly used for clamping timber together, this bolt provides a secure and stable connection. Its zinc-plated finish ensures excellent corrosion resistance and long-lasting durability.

• High-strength steel
• Zinc Plated
• Dome head with square neck for anti-rotation
• Diameter and length 16mm x 130mm