These nuts are also referred to as hex couplers. These are used to connect two varied pieces of threaded material. Hex as well as heavy hex couplers are threaded right hand. If a right-hand left-hand coupler is required, using a sleeve nut is ideal.
Diameters: 1/2″ – 1″
Finish: Plain and hot-dip galvanized
Grades: A563 (grades A and DH)
Available
Diameters: 1/2″ – 6″
Finish: Plain and hot-dip galvanized
Grades: A563 (grades A, C, and DH), A194 grade 2H