| 1. | Needle valves have nps / internal pipe threaded ends
针形阀配置nps内管螺纹连接端口。 |
| 2. | Screwing taps - specification for pipe thread taps
丝锥.管螺纹丝锥规范 |
| 3. | Cold - forming taps for pipe threads g 1 6 to g1 - dimensions
管螺纹g1 6至g1用冷成形丝锥.尺寸 |
| 4. | Screw thread limit gauges for parallel pipe threads
圆柱管螺纹量规 |
| 5. | Ferrous pipe plugs , bushings , and locknuts with pipe threads
带有管螺纹的铁管塞管套锁紧螺母 |
| 6. | Hand taps for pipe threads for parallel and taper threads
直螺纹和锥形螺纹的管螺纹手用攻丝锥 |
| 7. | Compression couplings - ring type nipples for brazed connection
管螺纹连接.钎焊连接环形管接头 |
| 8. | Tolerances on the threaded portion of taps ; taps for pipe threads
丝锥螺纹部分的公差.管螺纹用丝锥 |
| 9. | Gauges for pipe threads where pressure - tight joints are made on the threads
用螺纹密封的管螺纹量规 |
| 10. | Gauging and inspection of casing , tubing and line pipe threads
套管油管和管线管螺纹的测量和检验方法 |
