Ecvv Trade
Shanxi Weigao Petroleum Drilling Tools Co., Ltd.

China Manufacturer with main products: Drill Collars, Drill Pipes, Square and Hexagonal Kellys, Non-Magnetic Drill Collars, Integral Heavy Weight Drill Pipe, Spiral Drill Collar

Home  >Products Catalog > Kelly > Kelly


FOB Price: 500.00 - 4,000.00 USD/Piece
Supply Ability: 20,000 Piece/Pieces per Year
Shipping: FOB Tianjin
Payment Terms: L/C, T/T
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shanxi in China
Packaging Details: Iron shelves or as your requirement


Kelly is a square or hexagonally shaped steel pipe connecting the swivel to the drill pipe that moves through the rotary table and transmits torque to the drill stem.

Customer Options:
1. Standard: API 7-1; SY/T 6509; or Non-Standards.
2. Type: Square Kelly; Hexagonal Kelly.
3. Steel Grade: AISI 4145 H.
4. Size: OD (3 1/2''---6'') * ID (1 3/4''---3 1/2'') * Length (40').
5. Cold Rolling of Thread Roots
6. Stress Relief Groove
7. Thread Surface Process: Phoscoating or Copperize Process  Treatment.
8. Cast Steel Thread Protector.
9. Delivery Condition: Forged Bar; Semi-Finished; Finished Kelly.


Service Process

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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