Universal Black Oxide Flat Seat Flanged Lug Nuts (611-296) by Dorman®. Thread Size: 9/16″ x 18. Hex Size: 15/16″. Overall Length: 1.125″. Handling: Right Hand Thread. Material: Steel. Grade: Regular. Quantity: 10 Pieces. Packaging Type: Box. Dorman’s Wheel Nuts are designed and constructed to strict engineering quality standards. All of the Wheel Nuts are manufactured with high corrosion resistance to combat rust in any environment.