全塑护丝帽价格“本信息长期有效”

油套管护丝帽厂家全钢护丝帽塑料钢塑护丝帽 螺纹保护帽全部现货

211(nc31 2 7/8)

311(nc38 3 1/2)

 411(nc50 4 1/2)

511(5 1/2)

611(6 5/8)公扣小端母扣

211(nc26 2 3/8)

6-5/8ltc钢塑护丝帽。6-5/8ltc钢塑护丝帽

5-1/2stc钢塑护丝帽，全塑护丝帽价格，

5-1/2ltc钢塑护丝帽，

5-1/2btc钢塑护丝帽，

6-5/8stc钢塑护丝帽，

6-5/8ltc钢塑护丝帽，

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  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