| Share | Phrase |
| 39.56% | small-diameter [size] portion |
| 11.70% | small-diameter [size] bore |
| 9.51% | small-diameter [size] piston |
| 5.53% | small-diameter [size] segment |
| 3.75% | small-diameter [size] ball |
| 3.39% | small-diameter [size] valve |
| 3.05% | small-diameter [size] land |
| 2.58% | small-diameter [size] section |
| 2.40% | small-diameter [size] hole |
| 2.36% | small-diameter [size] gear |
| 2.33% | small-diameter [size] cylinder |
| 1.84% | small-diameter [size] opening |
| 1.63% | small-diameter [size] pulley |
| 1.54% | small-diameter [size] chamber |
| 1.45% | small-diameter [size] passage |
| 1.37% | small-diameter [size] part |
| 1.22% | small-diameter [size] support |
| 1.11% | small-diameter [size] cavity |
| 1.06% | small-diameter [size] nut |
| 1.01% | small-diameter [size] end |
| 0.80% | small-diameter [size] orifice |
| 0.71% | small-diameter [size] side |