Hex bolts and nuts made of high-tensile carbon steel (Grade 8.8, 10.9, 12.9) with black oxide coating, durable and corrosion-resistant, meeting international standards.
These hex bolts and nuts are manufactured from high-tensile carbon steel in compliance with international standards (ANSI/ASME/DIN/SAE), providing exceptional strength and reliable performance in industrial and construction applications. The black oxide treatment enhances resistance to corrosion and environmental wear, making them ideal for heavy structures, mechanical equipment, and vehicles.