4瓦標產品展示
鋁合金輪輞（wǎng）用車輪螺（luó）母
| 螺紋D | M18X1.5 | M20X1.5 | M22X1.5 | |||
| S | 27 | 33 | 33 | |||
| dc | 40 | 50 | 50 | |||
| d | 24 | 30.5 | 30.5 | |||
| L1 | 30 | 11 | 39 | 9 | 39 | 9 |
| L | 57 | 38 | 66 | 36 | 66 | 36 |
