part stock: 187072
Thread/Screw/Hole Size: #4, Diameter - Inside: 0.125" (3.18mm) 1/8", Diameter - Outside: 0.313" (7.95mm) 5/16", Diameter - Shoulder: 0.313" (7.95mm) 5/16", Thickness - Overall: 0.087" (2.20mm), Length - Below Head: 0.025" (0.64mm),