HMB Master Bushing 37.1/2″

Petrorio Drilling Tools manufactures the Hinged Type Pin Drive HMB Master Bushing, built for National 37.1/2” – 49.1/2” rotary tables in drilling operations. Designed in accordance with API-7K specifications, these master bushings deliver durability, precision, and dependable performance in the most demanding oilfield environments.

The HMB Master Bushing incorporates a latch-type design that locks securely into the rotary table, ensuring stability and safe operation. It is designed to accommodate Insert Bowls No. 1, 2, and 3, making it suitable for handling a wide range of tubulars such as drill collars, tubing, and casing from 2.3/8” to 13.3/8”. This versatility allows operators to achieve efficient and reliable tubular handling during drilling.

For enhanced safety, the bushing is equipped with an integrated locking mechanism for insert bowls. NOV equivalent options are also available for compatibility with various rotary table systems. With its robust construction and proven reliability, the Petrorio Drilling Tools HMB Master Bushing ensures long service life and consistent performance in global drilling operations.