Grade 8.8 self colour hexagon head bolts provide a strong and reliable fastening solution for structural steelwork, fabrication, machinery assembly and general engineering. Supplied in their natural steel finish, these bolts are ideal for applications where components will be painted, coated, welded, or used indoors away from corrosive environments. Manufactured to ISO 4014 / DIN 931, they feature a partially threaded shank designed to deliver high clamping force and excellent mechanical performance.

Common uses include steel framework connections, bracket installation, equipment mounting and general-purpose bolting tasks. When paired with matching nuts and washers, Grade 8.8 bolts offer consistent tightening behaviour and dependable load distribution. Their combination of strength, accuracy and versatility makes them a trusted choice across construction, fabrication and mechanical engineering applications.