| 适用插入部尺寸 | 型号 | 方形驱动头a[mm] | 外宽尺寸C[mm] | h[mm] | b[mm] |
| 8D | QH8D | 6.35 | 23 | 17.5 | 7.5 |
| 10D | QH10D | 9.53 | 26 | 22 | 11 |
| 12D | QH12D | 9.53 | 32 | 25.6 | 11 |
| 15D | QH15D | 12.7 | 37.5 | 33.5 | 14 |
| 19D | QH19D | 12.7 | 40 | 38.4 | 15.4 |
| 22D | QH22D | 19.05 | 51 | 46.5 | 20.5 |
| 27D | QH27D | 19.05 | 70 | 49.7 | 21.5 |
| 32D | QH32D | 25.4 | 74 | 55.7 | 26.5 |
注 1 口25.4以上的方形驱动头请使用通孔套筒.
