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Hig Quality Square Kelly And Hexagonal Kellys - China

price: contact company for price

Hexagonal Kellys

We can manufacture square drill rods and hexagonal drill rods as per requirements of customers. They are made of AISI 4142H- 4145H forged or rolled alloy structural steel. Quenching plus tempering thermal treatment will be conducted over the whole length. Its Brinell hardness can reach 285- 341 on the basis of such thermal treatment. Charpy impact energy: >or =54J. The formulated process can ensure that the misalignment of the hole reaches the standard wall thickness. Kelly bars are manufactured according to API- 7- 1 Spec.

Company introduction:

Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment, oil production equipment, OCTG , wellhead & downhole tools and spare parts with API certification. Following the principle of " quality first, science and technology innovated, people oriented" , every Lake Petro person is sparing no effort to provide the customers with best products and services. Through efforts of Lake Petro staff, our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries ( regions) . With super quality, reasonable price and professional service, Lake Petro company has become VIP ( assigned) supplier and built strategic partnership with some coutries' national petroleum companies.


Company Contact:


  • Phone: 00865467080020

  • Address: Huanghe Road, Dongying City, Shandong, China, Dongying, China

  • Email: Email


Published date: November 21, 2015 -

  • Business Description: Dongying Lake petroleum is a professional oileild equipment supplier in China. Our products range includes: Drilling accessories, oil production equipment, OCTG, Wellhead, well control equipment etc. We have good experience on exporting petroleum equipment oto our foreign clients. The good quality has been highly appreciated by them. Welcome any client who has interest in this filed come and consult.

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