20 1 x 5 4
- 20 х 1 5 40 х 1 8
- 1 4 20 x 1 5 8
- 20 1 4 * x 2 5
- 1 4 20 x 5 8 screw
- 1 4 20 x 5 8 hex cap screw
- 1 4 20 x 5 8 bolt
- 1 4 20 x 5 8 socket head cap screw
- 1 4 20 x 5 16
- 1 4 20 x 5 16 screw
- 1 4 20 x 5 8 torx
- 20 1 5 * x 3 4
- 1 20 x 4 5 as a fraction
- 20 x 1 )=- 4 5 x )+ 16x
- 100 20 x 5 1 4
- 1 4 20 x 1 5 8 shear bolt