187 Hex Coupling Nuts Portland Bolt
A194 A563 F594 Hex couplers are used to connect two pieces of threaded material Hex and heavy hex couplers are threaded right hand If a right hand left hand coupler is needed consider using a sleeve nut See our nut compatibility chart to determine the compatible hex coupler for a specific grade of bolt Since hot dip galvanizing typically adds 2 2 to 5 mils of thickness to the