1.Diameter size: 7 1/2"(190.5mm)

2.IADC Code: IADC437

3.Sealing type: Metal sealing

4.Bear type:Journal Bearing

5.Std.API pin Shank Size: 4 1/2REG

6.Formation:Very soft with low compressive strength,such as soft marl,clay,sandstorm,salt,etc.

Tianjin Able Import & Export Trading Co., Ltd. was formally founded with the name of Tianjin Able International Trading Co., Ltd. as a sole foreign invested company, registered in Tianjin Duty-Free Zone in 2003. Our company has been increasingly developing for prominent profits with high working efficiency in the recent years with simplified organization structure in a wide range of diversified products. We are still striving for a more brilliant future. Over the years, our company has come up with strategic ways to meet the needs of our global clients successfully.

We are specialized in providing customers with all kinds of construction machinery, including excavators, bulldozers, rollers, loaders, graders, forklifts, special vehicles, oilfield equipment, etc. As our business is growing, our company has become an enterprise specialized in the design and manufacture of construction machinery, with large sale, good service and perfect technology support. We have attained ISO9001 Quality Management System Certification and License, which lays a solid foundation for ensuring product quality. Except for our own products, we also provide OEM service and accept customized design according to your requirements.

Our company consistently adheres to the purpose of "integrity, excellent quality, high efficiency and innovation creation", in order to develop and keep friendly cooperation with customers in domestic and overseas markets.