型号 | 尺寸inch | ||||||||
D1 | D2 | F | G | J | L | M | N | P | |
| MD-3-3 | 10-32-2B | 10-32-2A | .438 | .438 | .3125 | .3125 | 1.156 | .875 | .484 |
| MD-3-4 | 10-32-2B | 1/4-28-2A | .438 | .563 | .3125 | .3125 | 1.156 | .875 | .484 |
| MD-4-3 | 1/4-28-2B | 10-32-2A | .438 | .438 | .3125 | .3125 | 1.250 | .969 | .531 |
| MD-4-4 | 1/4-28-2B | 1/4-28-2A | .438 | .563 | .3125 | .3125 | 1.250 | .969 | .531 |
| MD-4L-4L | 1/4-28-2B | 1/4-28-2A | .562 | .500 | .3125 | .3400 | 1.750 | 1.500 | 1.120 |
-材料：1）座体&球杆：低碳钢1020； 弹簧卡：弹簧钢 可选择材料： 不锈钢
-表面处理：座体：镀白锌或黄锌；
-加润滑油，摆动灵活
-无特别说明，所有尺寸为英寸
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