Hot-dip galvanized (HDG) M8 × 30 hexagonal head bolt with matching nut—commonly provided as a set with washers for durable, corrosion-resistant fastening
This fastener set includes an M8 bolt (30 mm length), compatible hex nut, and typically flat and spring washers, all surface-treated through hot-dip galvanizing (HDG) for superior corrosion protection. The bolt is typically graded at 4.6 or 8.8, meeting ISO/DIN standards such as ISO 4017 / DIN 933. Ideal for outdoor steel structures, solar mounts, and general industrial or construction use
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