Product Item: Hot Dip Galvanized Stud Bolt and Nut
Size: 2-1/4 Inch
Length: 485 mm
Bolt Material: ASTM A193 Grade B7
Nut Material: ASTM A194 Grade 2H
Surface Treatment: Hot Dip Galvanized
Hot Dip Galvanizing Standard: ASTM F2329
Source: https://www.landee.cn/hot-dip-galvanized-stud-bolt-nuts-b7-2h-2-1-4-in-485mm.html