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产品技术参数：
| 代号 RAPT NO. | 螺纹 THREAD | 尺寸 DIMENSIONS | |||
| T1 | T2 | L1 | L2 | S1 | |
| 1ST4-02SP | G1/8＂X28 | R1/8＂X28 | 19 | 17 | 11 |
| 1ST4-04SP | G1/4＂X19 | R1/4＂X19 | 22 | 19 | 14 |
| 1ST4-06SP | G3/8＂X19 | R3/8＂X19 | 25 | 22 | 16 |
| 1ST4-08SP | G1/2＂X14 | R1/2＂X14 | 28 | 26 | 22 |
| 1ST4-12SP | G3/4＂X14 | R3/4＂X14 | 32 | 30 | 27 |
| 1ST4-16SP | G1＂X11 | R1＂X11 | 36 | 34 | 33 |
| 1ST4-20SP | G1.1/4＂X11 | R1.1/4＂X11 | 42 | 40 | 41 |
| 1ST4-24SP | G1.1/2＂X11 | R1.1/2＂X11 | 43 | 41 | 48 |
| 1ST4-32SP | G2＂X11 | R2＂X11 | 54 | 50 | 63 |
