Hex Nuts, 1/2-20 UNC, Grade 8, made of steel with zinc plate finish. These nuts are drilled for safety wire and come in a pack of 10. The external hex drive style and 1/2”x20 thread size make them suitable for various industrial applications. Made in the United States, these nuts are a reliable and durable choice for securing fasteners.

Nuts are 5/16” thick

Safety Wire hole is .070”