API 7K Ụdị B akwụkwọ ntuziaka na-ejizi eriri eriri
Pịnye Q89-324/75 (3 3/8-12 3/4 na) B ntuziaka Tong bụ ngwá ọrụ dị mkpa na ọrụ mmanụ iji kechie skru nke ọkpọkọ ọkpọkọ na nkwonkwo casing ma ọ bụ njikọ. Enwere ike imezi ya site n'ịgbanwe aagba lug latch na ijikwa ubu.
Nka nka
| Mba.nke Latch Lug jaw | Latch Kwụsị | Nha Pange | Ranke Torque | |
| in | mm | KN· m | ||
| 5a | 1 | 3 3/8-4 1/8 | 86-105 | 55 |
| 2 | 4 1/8-51/4 | 105-133 | 75 | |
| 5b | 1 | 4 1/4-5 1/4 | 108-133 | 75 |
| 2 | 5-5 3/4 | 127-146 | 75 | |
| 3 | 6-6 3/4 | 152-171 | 75 | |
| 5b-1 | 1 | 5 1/4-5 3/4 | 133-146 | 75 |
| 2 | 6-8 5/8 | 152-168 | 75 | |
| 3 | 6 3/4-8 | 171-203 | 55 | |
| 5c
| 1 | 6 5/8-7-3/8 | 168-187 | 75 |
| 2 | 7 3/8-8 | 187-203 | 75 | |
| 3 | 8 1/2-8 5/8 | 216-219 | 55 | |
| 5d | 1 | 8 1/2-9 5/8 | 216-244 | 55 |
| 2 | 10 5/8-10 3/4 | 270-273 | 55 | |
| 5e | 1 | 11 3/4 | 298 | 55 |
| 2 | 12 3/4 | 324 | 55 | |
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