This rod coupling has a carbon steel hexagonal body with internal UNC thread.
Hex Nut: A Hex nut (or finishing nuts) is internally threaded hexagonal blocks built to be assembled...
Hex Nuts Grade 2 Zinc NC Zinc plated to meet ASTM Specification B633, Class SC4, Type 1. Used in conjunction with low carbon bolts and screws that are not treated.
Heavy Hex Nuts A194 Plain
A194 2H Heavy Hex Nuts are manufactured from 1045 steel to meet or exceed ASTM A194 Grade 2H
Are slightly thicker and larger than standard (finished) hex nuts
Intended for...