Stud, 9/16″-18 X 2.31″, Grade 8, Zinc Wheel studs are the threaded fasteners that hold on the wheels of many automobiles. They are semi-permanently mounted directly to the vehicle hub, usually through the brake drum or brake disk. Lug nuts are fastened onto the wheel stud to secure the wheel. Specifications: Length: 2-25/32 Diameter: 9/16 Thread Size: 18 (Fine) Knurl Length: .630 DIA Shoulder Length: 1 1/8
