The black Steel Socket is a production process that directly processes the thread after the sand blasting.
Product details
| DN | A | B | C | D |
| 6 | 15 | 17 | 15 | 8 |
| 8 | 18.5 | 25 | 18 | 11 |
| 10 | 21.3 | 26 | 21.3 | 12 |
| 15 | 26.6 | 34 | 26.6 | 15 |
| 20 | 31.8 | 36 | 31.8 | 17 |
| 25 | 39.5 | 43 | 39.5 | 20 |
| 32 | 48.3 | 48 | 48.3 | 22 |
| 40 | 54.5 | 48 | 54.5 | 22 |
| 50 | 66.2 | 56 | 68 | 26 |
| 65 | 82 | 65 | 84.2 | 30 |
| 80 | 95 | 71 | 98.4 | 34 |
| 100 | 121.4 | 83 | 124 | 40 |
| 125 | 146.3 | 92 | 149 | 44 |
| 150 | 173.3 | 92 | 177 | 44 |
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