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Back-off Sub
US$ 100 - 300
MOQ: 1 Set
Key Specifications
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Brand Name:
NSJ-Drilling
Place of Origin:
China
Model Number:
ZDK
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianin, Shanghai, Qingdao
Delivery Detail:
30 days
Related Products
Brand Name
NSJ-Drilling
Place of Origin
China
Model Number
ZDK
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） |
Send Inquiry to This Supplier
Mrs. Grace Wang
Sales Executive
Mudanjiang, Heilongjiang, China
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Business Type
Manufacturer
Year Established
2001
Factory Size
Above 100,000 square meters
Annual Export Value
Above US$100 Million
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