1. Awọn ohun elo: Ṣiṣu Kikun. 2. Iwọn: 2-3 / 8 ″ si 4-1 / 2 ″ si 20 ″ fun gbogbo ọpọn iwẹ ati gbigbe 3. Iru okun: NUE, EUE, STC, LTC, BTC, O tẹle pataki miiran. 4. Ipele: API-5CT, API-5B 5. Iwe-ẹri: API-5CT
1. Awọn ohun elo: Irin / Ṣiṣu / Irin pẹlu ṣiṣu 2. Iwọn: 2-3 / 8 ″ si 4-1 / 2 ″ si 20 ″ fun gbogbo ọpọn iwẹ ati gbigbe 3. Iru okun: NUE, EUE, STC, LTC, BTC , O tẹle pataki miiran (Ere okun) 4. Ipele: API-5CT, API-5B 5. Iwe-ẹri: API-5CT
1. Awọn ohun elo: Irin / Ṣiṣu / Irin pẹlu ṣiṣu 2. Iwọn: 2-3 / 8; 2-7 / 8. 3. oriṣi okun: EUE. 4. Ipele: API-5CT, API-5B 5. Iwe-ẹri: API-5CT
1. Awọn ohun elo: Irin - ṣiṣu. 2. Iwọn: 2-3 / 8 ″ si 4-1 / 2 ″ si 20 ″ fun gbogbo ọpọn iwẹ ati gbigbe 3. Iru okun: NUE, EUE, STC, LTC, BTC , O tẹle pataki miiran (Ere okun) 4. Ipele: API-5CT, API-5B 5. Iwe-ẹri: API-5CT