8 32 x 2 1 4 July 8, 2019 16 32 64 128 8 32 x 2 1 4 machine screw 8 32 x 2 1 4 screw 8 x 1 40 2 * 64 x 32 32 1 25 x 2 x 8 1 4 8รท2(2+2)=1 or 16
