Product Name: Hex Head Bolt & Nut, Stainless Steel, Full Thread
Standard: ASME B18.2.1
Material: ASTM A193 Grade B8M (Bolt) / ASTM A194 Grade 8M (Nut)
Size: 1/2 Inch
Length: 1-1/2 Inch
Surface Finish: Natural
Source: https://www.landee.cn/hex-head-bolt-nut-astm-a193-b8m-a194-8m-1-2-1-1-2-in.html