Coupling Nuts

Simpson Strong-Tie HSCNW3/4 (3/4") High Strength Coupler Nut with Witness Hole, Zinc Plated Finish

Simpson Strong-Tie HSCNW1 (1") High-Strength Coupler Nut with Witness Hole

Simpson Strong-Tie CNW3/8 Coupler Nut with Witness Hole for Threaded Rod

Simpson Strong-Tie CNW3/4-5/8 Coupler Nut with Witness Hole for Threaded Rod Connection

Simpson Strong-Tie CNW1 1/4 (1-1/4 in.) Coupler Nut with Witness Hole