Hex Head Cap Screw Assortment Metal Cabinet Container Material Metal Steel Zinc Yellow Flat Washers Included (100) 1/4 in (20) 3/4 in (25) 1/2 in (25) 5/8 in (50) 3/8 in (50) 5/16 in Hex Nuts Included Hex Nuts (200) 1/4 In.-20 (200) 5/16 In.-18 (200) 3/8 In.-16 (50) 1/2 In.-13 (25) 5/8 In.-11 (20) 3/4 In.-10 Lock Nuts (100) 1/4 In.-20 (50) 3/8 In.-16 (25) 1/2 In.-13 (10) 5/8 In.-11 (10) 3/4 In.-10