#8 Screw Size Head Size: 7/16" Stem Length: 9/32" Hole Size: 5/16" Natural Nylon GM Grille Screw Nuts Compare with: Auveco #10330, G.M. # 3893980, # 347347, Car Pak # 68-3252, 683252, W&E # 817, Barnes / Kar # 1866, Crest / Midwest # CRX2792, Disco # 2980PK, 2980B, Kent / Lawson # P28855, Winzer # 502.3017, Wurth # 150159294, S&R # 280070