鉆桿護(hù)絲帽型號(hào)：NC26 NC31 NC36 NC38 NC40 NC46① NC46② NC50① NC50② NC50③ 6-5/8REG NC66 NC61 7-5/8REG NC70 3-1/2REG 3-1/2FH 4-1/2REG 4-1/2FH 5-1/2REG 5-1/2FH NC50 2-3/8REG ( 230A 231A) 2-7/8REG(230 231) 3-1/2REG (330 331) 4-1/2REG (430 431) 5-1/2REG (530 531) 6-5/8REG ( 630 631 ) 7-5/8REG (730 731 ) 8-5/8REG (830 831) 2-7/8FH ( 220 221) 3-1/2FH (320 321) 4FH (420A 421A) 4-1/2FH(420 421) 5-1/2FH (520 521 ) 6-5/8FH (620 621) 2-3/8IF (210A 211A) 2-7/8IF (210 211) 3-1/2IF (310 311) 4-1/2IF (410 411) 4IF (410A 411A ) 5-1/2IF (510 511 ) NC35 NC44 NC56 NC61 油管護(hù)絲型號(hào)： 2-3/8NU 2-3/8EU 2-7/8NU 2-7/8EU 3-1/2NU 3-1/2EU 4-1/2NU 4-1/2EU 4-1/2STC 4-1/2LTC 4-1/2BTC 5LTC 5BTC 5-1/2STC 5-1/2LTC 5-1/2BTC 6-5/8BTC 7STC 7LTC 7BTC 7-5/8LTC 7-5/8BTC 8-5/8STC 8-5/8LTC 8-5/8BTC 9-5/8STC 9-5/8LTC 9-5/8BTC 10-3/4STC 10-3/4BTC 13-3/8STC 13-3/8BTC 20STC 20BTC 河北滄州臨港東方制造有限公司專供勝利油田各種型號(hào)石油鉆桿鉆鋌護(hù)絲帽，石油套管護(hù)絲帽，抽油桿護(hù)絲帽。價(jià)格低廉，質(zhì)量上乘