High-quality API Spec 7K Roller Kelly Bushings

1. Main Technical Parameters:
(1). Model: HDS.
Type: Heavy duty.
Drive way: Square drive.
Applicable size of kelly (in) (Quare): 2 1/2”-6”.
Applicable size of kelly (in) (Hex): 3”-6”.
(2). Model: 27-HDP.
Type: Heavy duty.
Drive way: Pin drive.
Applicable size of kelly (in) (Quare): 2 1/2”-6”.
Applicable size of kelly (in) (Hex): 3”-6”.
(3). Model: 20-HDP.
Type: Heavy duty.
Drive way: Pin drive.
Applicable size of kelly (in) (Quare): 2 1/2”-6”.
Applicable size of kelly (in) (Hex): 3”-6”.
(4). Model: RTM-4.
Type: Medium duty.
Drive way: Square drive.
Applicable size of kelly (in) (Quare): 2 1/2”-5 1/4”.
Applicable size of kelly (in) (Hex): 3”-4 1/4”.
(5). Model: RTS 4.
Type: Light duty.
Drive way: Square drive.
Applicable size of kelly (in) (Quare): 2 1/2”-4 1/4”.
Applicable size of kelly (in) (Hex): 3”-4 1/4”.
2. Product Description:
Roller Kelly Bushings can be classified as two types based on different ways of drive, square drive and pin drive. Also they can be classified as three types based on different styles, heavy, medium and light-duty. They are used for 17 1/2 to 49 1/2 inch rotary tables. They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.
3. Features:
(1). API certified products all parts traceable.
(2). Divided into two types: square and pin drive. Also heavy, medium and light-weight type available.
(3). National best quality assured.
(4). Single structure easy to operation.
5. FAQ:
Why you need to choose Lake Petro?
As a professional oil and gas service company, Lake Petro has many good experience in selling and serves for the oilfield industries for years. Quality is the culture of the company, we provide API and BV certified products for customer.
 
Can you make us the best quality products as well as a good price?
Yes, we can give you really high quality products with competitive price. We have a better understanding in Chinese market, with us your money will be safe.
 
What is special compare with other companies?
First, we provide the quality products, with BV and API certified; At the same time, we provide our customer with the best service after sale, any time any where.

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