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square kelly,drilling tools,2-1/2" - 6",4145H

Categories drilling tools
Place of Origin: China
Brand Name: MTWK
Model Number: 015
Certification: API SPEC 7-1
Price: according to the size
Packaging Details: STEEL SHELF PACKING
Delivery Time: 20 days
Payment Terms: T/T50% IN ADVANCE AND BALANCE PAID BEFORE SHIPPING
Supply Ability: 350 PIECES PER MONTH
MOQ: 1 PIECE
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square kelly,drilling tools,2-1/2" - 6",4145H

Square kelly


Kelly pipe is divided into square kelly and hexagonal kelly.

Kelly is located at the top of the drill string,

it can transfer torque and bear the weight of the drill string.

We can produce customized ones from 2-1/2to 6.

They are forged with 4145H or rolled with premium rolling steel,

and they are treated by quenching and tempering heat treatment all the length,

so the BH can achieve 285-341,

and Charpy impact energy≥54J.

Machining can ensure the holes eccentric degree reaches the standard minimum thickness the end,

the section and the joints of the pipe are produced and tested according to API SPEC7-1 and SY/T6509-2000, and are detected by ultrasonic all the length.

Product Tags:

square kelly

  

kelly bushing

  

kelly pipe

  
Quality square kelly,drilling tools,2-1/2" - 6",4145H for sale
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