Hexagonal Kelly, China Hexagonal Kelly Supplier

Hexagonal Kelly - 3-6

Hexagonal Kelly For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale Hexagonal Kelly, Made in China, High Quality Products!, China hexagonal kelly, drill collar Supplier, Manufacturer.

Kelly is on the top of drill stem, transmitting torque and supporting drill stem’s suspension weight. It’s the drive section of the whole drill stem. We can manufacture square Kelly and hexagonal Kelly accordingly, which are forged to and refined by AISI4145H alloy steel, quenched and tempered along full length, with its hardness range of 285-341BHN, charpy impact value≥54J. The bore eccentricity can reach the minimum thickness of the standard, it’s ensured. Kelly ends and drive section, connections are processed and inspected according to API SPEC 7-1 and SY/T6509-2000. Kelly bars are inspected by an ultrasonic unit over their full length.
By military industry power, our company had designed, developed and manufactured all specifications of kellys in 70th, last century, which made nationalization lasting to this day. Our square kellys and hexagonal kellys (all specification) have won high reputation from our customers, for their high quality and excellent performance.

Get Quote

Shanxi Weigao Petroleum Drilling Tools CO., LTD

Address: NO.3, South Industrial Zone of Nanshahe, Songzhuang Shuiyu, Taiyuan, Shanxi, China, 030045
Tel: 0086-0351-2598640
Shanxi Weigao Petroleum Drilling Tools CO., LTD, a private high-tech enterprise with years of history in the production of petroleum drilling collars, square kellys, and other products, produces series of petroleum drilling machineries and non-excavation drills professionally. It assembles scientific research, production and marketing into a whole. We have many kinds of high-precision manufacturing and inspection equipment: special numerical-control pipe thread lathes, large milling machines, deep-hole boring machine drillings, friction welding, heat treatment production line with medium frequency as well as variety of thread gauges, single measuring instruments, thickness gauges, hardness testers, ultrasonic flaw detectors, ballistic work testing machines, universal testing machines with microcomputer displaying hydraulic pressure, and so on. With sophisticated production equipment, strict inspecting ways and strong technology, we have mastered the key technique in nationalizing petroleum drilling tools. API standard is implemented strictly throughout the whole process of production. Our company has already won the Certification of Quality System ISO9001: 2000 and has obtained the product logo licenses of API SPEC 7-1 (certificate No. 7-1-0625) and API Q1 (Certificate No. 0571), which are issued by American Petroleum Institute.