Dorman Products - 610-283.1 :9/16-18 Serrated Wheel Stud - .650 In. Knurl, 2-17/32 In. Length. These wheel lug studs are made of carbon steel and tested to demanding automotive industry standards to ensure strength, longevity and safety.SIT - Free CAD models - PE with minimum pilot bore - Pitch Download PE with minimum pilot bore - Pitch 8 mm. Available for SOLIDWORKS, Inventor, Creo, CATIA, Solid Edge, autoCAD, Revit and many more CAD software but also as STEP, STL, IGES, STL, DWG, DXF and more neutral CAD formats.