High Precision Square Head Bolts Mild Steel Material For Machinery Industry
Product Description
Product Name | Square head bolt | ||
Material | Carbon steel Q235 Q345 | ||
Size | M8-M30 | ||
Surface treatmen | natural color. Galvanized | ||
Grade | 4.8/6.8/8.8/10.9 | ||
Usage | Widely used in electronics, electrical engineering, electrical products, machinery and equipment, chemical equipment, ships, vehicles, bridges, steel structures and other industries. |