flat head screws wallpaper flat head machine screws dimensions Diameter Height Width Depth Dia Depth Width. 4 - 40 6 - 32 8 - 32 10 - 32 12 - 24 14 - 20 516 - 18 38 - 16 10 - 24 2 - 56 38 516 … Monday, May 9, 2022 Edit