Grade 8.8 High Strength Hex Head Extra Long Bolt, Size: , 1 5/8INCH, LENGTH:380MM MATERIAL: ASTM A193 B7, ANSI B 18.2.1

Class 8.8 high strength long hex bolt with black oxide treatment.Size: , 1 5/8INCH, LENGTH:380MM, thread protected by blue plastic net to avoid damage. Ideal for flange, pressure vessel, steel structure and heavy equipment fastening, customizable in size and length, act as heavy-duty fastening parts to lock and connect multiple thick components tightly, preventing loosening under vibration and pressure working conditions