Product Name: Hexagon Head Bolts Fastener, Corrosion-Resistant
Type: Hexagon Head Bolts
Material: ASTM A193 Grade B7
Size: 2-1/2 Inch
Length: 290 mm
Coating: Galvanized (Electric Plating)
Source: https://www.landee.cn/hexagon-head-bolt-astm-a193-b7-2-1-2-in-290-mm-galvanized.html