Size: 1/4 inch-20 X 2-1/2 inch. Double ended screw with machine screw threads on one end and wood screw threads on the other end. Commonly used to secure swag hooks into walls or ceilings. Also used to attach legs to furniture. Nuts and washers not included, ensure washers and nuts are same diameter. Specification(s) Met: ASME B1.1 and ASME B18.2.1.
