Best Selling Carbon Steel Zinc Roofing Bolt Set with Nuts and Washers 16-20mm Titanium Cap and Hex Head Bolts Eye Bolt Type

Roofing Bolts Roofing bolts are a type of bolt with a big flathead, sometimes known as a mushroom head, that makes them suitable for attaching to thin materials. Because of the large surface area of its heads, the bolt's holding power can be spread out wider than a regular bolt, resulting in a secure hold that is less likely to damage the material it is adhered to when under stress. Available in various sizes and platings.