Large stock of heavy hex nuts.
Heavy hex nuts are used in a variety of applications with high strength bolts. They are both thicker and larger than finished hex nuts and come in a variety of grades and finishes.
Birmingham Fastener offers the following types of heavy hex nuts:
- A563 (Grades DH, A, and C)
- A194 (Grades 2H, 7, and 8)
Suitable Nuts for Use with ASTM A325 and A490 Bolts
|Bolt Spec and Type|
|A325, Type 1||*||*||*||*||*||*|
|A325, Type 3||*||*|
|A490, Type 1||*||*||*|
|A490, Type 3||*|