- Heilongjiang North Shuangjia drilling tools Co.,Ltd.
-
Mudanjiang, Heilongjiang, China
- Main products: Downhole Drilling tools, Stabilizers, Roller reamers, Hole openers etc., Jars: Drilling jar, fishing jar, Jar intensifier, Casing running tools: mechanical type and internal type, Kelly valve, FOSV, IBOP, Drop-in check valve etc., Fishing tools: Overshot, spear, Mills etc.
Home > Products > Fishing tools > Back-off Sub
Back-off Sub
USD $100 - $300
/ Set
1 Set(Min.Order)
- 5000 Set / Sets per Month
- Tianin, Shanghai, Qingdao
- T/T L/C
- 30 days
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Product Details
| Brand Name | NSJ-Drilling | Place of Origin | China | |
| Model Number | ZDK |
Product Description
Cell/Whatsapp/Wechat: 0086 15145386673
| Type | OD | Connection | ID | OAL mm（inch） |
| mm（inch） | mm（inch） | |||
| ZDK105 | 105(4-1/8) | NC31B LH×NC31P | 15（19/32） | 580（22-13/16） |
| ZDK121 | 121(4-3/4) | NC38B LH×NC38P | 22（57/64） | 628（24-3/4） |
| ZDK159 | 159(6-1/4) | NC50B LH×NC50P | 28（1-1/8） | 690（27-3/16） |
| ZDK165 | 165(6-1/2) | NC50B LH×NC50P | 28（1-1/8） | 690（27-3/16） |
| ZDK168 | 168(6-5/8) | NC50B LH×NC50P | 28（1-1/8） | 690（27-3/16） |
| ZDK178 | 178(7) | 6-5/8REGB LH×6-5/8REP | 32（1-1/4） | 700（27-9/16） |
| ZDK203 | 203(8) | 6-5/8REGB LH×6-5/8REP | 35（1-3/8） | 723（28-1/2） |
Contact Us
- Heilongjiang North Shuangjia drilling tools Co.,Ltd.
- Contact nameGrace Wang Chat Now
- AddressNo.56th Xingye road, Yangming district, Mudanjiang, Heilongjiang
Product Categories
| New product | Fishing tools | Milling tools | Inside blowout control tools |
| Drill stem |
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Grace Wang
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