1 4 20 x 1 2 cap screw July 8, 2019 16 32 64 128 1 4 20 x 1 2 hex cap screw 1 4 20 x 1 2 socket head cap screw 1 4 20 x 1 2 hex head cap screw 1 4 20 x 1 2 flat head socket cap screws 1/4 + 3/8
