Square Head Plugs
TB /T 845 - 1991 方头螺堵
See all versions and complete specifications: Square Head Plugs — Full Specification Page
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| R 1/2 | 40 | 0.237 | 24 | 1.5 | 27 | 25.7 | 16 | 16 | 35 | 32 |
| R 1/4 | 25 | 0.041 | 17 | 1.5 | 14 | 13 | — | — | 18 | — |
| R 1/8 | 20 | 0.014 | 14 | 1 | 10 | 9.1 | — | — | 13 | — |
| R 3/4 | 46 | 0.743 | 30 | 1.5 | 36 | 34.4 | 20 | 18 |
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| 48 |
| 52 |
| R 3/8 | 33 | 0.109 | 20 | 1.5 | 19 | 17.7 | 12 | — | 24 | 20 |
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