Attributes . Hex Head Cap Screws: (100) 1/4"-20x1/2 in, (10) 1/4"-20x3/4 in, (10) 1/4"-20x1 in, (10) 1/4"-20x1 1/2 in, (10) 1/4"-20x2 in, (10) 5/16"-18x3/4 in, (10) 5/16"-18x1 1/4 in, (10) 3/8"-16x3/4 in, (8) 3/8"-16x1 in, (5) 3/8"-16x1 1/2 in . Names