A325 Heavy Hex Bolts

Overview
Bolt Nut by Windo Metal in Ningbo, Zhejiang lists A325 Heavy Hex Bolts under Hex Bolts. Size 3/8×2.1/2 inch, material Carbon Steel and surface Black Oxide are among the specifications published.
Technical specifications
| Size | 3/8×2.1/2 inch |
|---|---|
| Material | Carbon Steel |
| Surface | Black Oxide |
| Standard | ANSI/ASME/DIN/ISO |
| Material Grade | SAE J429 Gr. 2, 5 and 8 |