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一把抓是一种结构简单加工容易的常用打捞工具，专门用于打捞井底不规则的小件落物，如钢球、凡尔座、螺栓、螺母、刮蜡片、钳牙、搬手、胶皮等。
The finger type junk basket is a simple structured and easy made general fishing tool specially used for fishing of down-hole irregular catches such as steel balls, valve seats,bolts, nuts , paraffin cutters, tong insets, spanners and rubbers, etc.
技术规格及参数
| 型号 |
最大外径(mm) |
接头螺纹 |
齿数 |
下入油管/套管 |
| YBZ 4 1/2" |
95 |
NC26 |
6 |
4 1/2 油管 |
| YBZ 5" |
103 |
NC26 |
6 |
5 套管 |
| YBZ 5 1/2" |
114 |
NC31 |
8 |
5 1/2 套管 |
| YBZ 7" |
146 |
NC38 |
10 |
7 套管 |
| YBZ 7 5/8" |
164 |
NC46 |
12 |
7 5/8 套管 |
| YBZ 8 5/8" |
190 |
NC50 |
12 |
8 5/8 套管 |
| YBZ 9 5/8" |
215 |
NC50 |
16 |
9 5/8 套管 | |
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