M6 x 20 Mushroom Head Roofing Bolts A2 Stainless Steel (304) DIN 603

A2 (Stainless Steel 304) roofing bolts are used for lightweight, corrosion-resistant fastening in various applications like attaching cable trays, brackets, and panels in indoor, outdoor, and food-grade environments, offering good durability where rust is a concern but not extreme marine conditions. They are popular for general assembly, electrical/mechanical work, and securing materials like sheet metal, wood, or plastic.