另类视频区第一页_ai777.国产精品影院_国产高清在线精品一区等最新內容_草草草草久久综合视频_国产免费网站看v片在线高清_久久自慰喷水流白浆网站_99精品国产免费_AV高潮喷吹在线观看_好硬～好爽～别进去～嗯视频_无码色偷偷亚洲国内自拍_久久久久久一级毛片免费 _四虎精品无码AV电影_成在人线AV无码免费高潮喷水_国产精品9在线观看_免费看18禁止观看黄网站

Single row casing joint group
Single row casing joint group
Single row casing joint group plan

Single row casing joint group

    Suitable for use with full casing rotary drilling.
Product Details

Application scope

Suitable for use with full casing rotary drilling.

Technical Parameter

Sleeve model
（mm）		 Material Height
H		 Thickness
B		 Weight
GK
600/520 25CrMo 500 40 290
700/620 25CrMo 500 40 342
800/720 25CrMo 500 40 393
900/820 25CrMo 500 40 445
1000/920 25CrMo 500 40 497
1100/1020 25CrMo 500 40 549
1200/1120 25CrMo 500 40 600
1300/1220 25CrMo 500 40 652
1400/1300 25CrMo 500 50 873
1500/1400 25CrMo 500 50 938
1600/1500 25CrMo 500 50 1003
1700/1600 25CrMo 500 50 1068
1800/1700 25CrMo 500 50 1132
1900/1800 25CrMo 500 50 1197
2000/1900 25CrMo 500 50 1262