8.8 Grade Black Quenched Hex Head Bolt, Nut & Washer Set

This high-strength fastening kit features an 8.8 grade carbon steel external hexagon head full-thread bolt, matching nut, flat washer, and spring washer, all finished with a durable black quenched treatment. Designed for secure and reliable fastening, this set offers excellent performance and corrosion resistance for demanding applications.

Performance level: Level 8 Material: Carbon Steel Surface treatment: Black Implementation Standards: GB5783 Pitch: 1 length: 1 type: Nut flat spring washer combination Surface color: black