Roofing Bolts & Square Nuts – DIN 933

Explore our selection of Roofing Bolts with Square Nuts, manufactured to the trusted DIN 933 standard. These fully threaded bolts are designed with a low-profile, dome-shaped head and come paired with square nuts for quick and secure fastening — ideal for use in roofing, cladding, fencing, and general light-duty applications.

The wide, smooth head provides a clean finish and spreads load evenly, making them suitable for fastening into soft materials such as timber, sheet metal, or composite panels. The included square nuts are easy to grip during installation, especially in tight or awkward spaces.

Available in a variety of lengths, diameters, and corrosion-resistant finishes (such as zinc-plated or stainless steel), these bolts offer strength, ease of use, and a neat appearance — both indoors and outdoors.

✅ Key Features:

• Fully threaded to DIN 933 standard
• Low-profile round head for a smooth finish
• Supplied with matching square nuts
• Ideal for roofing, fencing, and timber fixings
• Available in multiple sizes and finishes

Find the perfect Roofing Bolt & Square Nut combination for your project below.