M12x50 Grade 8.8 Galvanized Hex Bolt Set

This M12x50 external hex bolt set is made from carbon steel, featuring a Grade 8.8 performance level and galvanized surface treatment for enhanced durability and corrosion resistance. Each set includes one hex bolt, one nut, one flat washer, and one spring washer, conforming to GB 5783 standards for reliable fastening.

Performance level: 8.8 Tooth type: Not involved Nominal length: 50 Pitch: 0.01 Material: Carbon Steel type: External hexagon Implementation Standards: GB 5783 Nominal diameter: 12 Surface treatment: other