Roller square bushing is one of the essential equipment for oil drilling and production operations. It is placed in a large bushing and its function is to transmit the torque transmitted from the rotary table to the downhole drilling tools.

The roller square bushing is driven in two ways: square drive and pin shaft drive; According to API Spec 7K specification for square drill pipes; It is divided into four directions and six directions, mainly composed of upper cover, lower cover, shaft, roller, fastening bolt, sealing body, etc.The roller square bushing is equipped with four rollers, which are equipped with needle roller bearings. The roller is fastened by a shaft between the upper and lower covers. There are sealing bodies at both ends of the roller to prevent drilling fluid from infiltrating. To prevent the sealing body from rotating, a stop pin is installed on the sealing body.The roller shaft is fixed by four M38 bolts, with a tightening torque of 2KN. m. The top of the four large bolts are fixed together with the nuts using four hexagonal bolts to prevent loosening.

Our Advantages
1.One stop service. We provide various drilling equipment and accessories for overseas clients in different drilling fields. Including oil drilling and repair machines, horizontal drilling rigs, horizontal directional drilling rigs, mud pumps and accessories, solid control systems and equipment, etc. It can meet various needs of customers.2. Quality assurance.Our supplier's products are strictly produced according to standards and provide corresponding after-sales service to customers, actively handling and solving a series of problems encountered by customers during use.3. Professional team.In terms of production research, we have sufficient technical talents to support the product production line and ensure product quality; In terms of sales, we have professional and enthusiastic service personnel to ensure the sales and after-sales service of our products, and to ensure the stability and durability of our cooperative relationship.4. Fast delivery.Our company has dedicated tracking personnel to ensure the normal production and delivery of orders.
Product Parameters

SHANDONG BEYOND PETROLEUM EQUIPMENT Co., Ltd. is established on request of customer and aimed to supply best product and service for the customer. It focuses on to supply best solutions for the overseas oilfield customer on equipment spares maintenance and supply.

China has become main supplier for oil production countries, but Chinese equipment has some special features different with European and American countries, and there exits big language and cultural difference between China and other countries, so it has become one big challenge for the overseas customer to get the exact equipment and parts they need in a short time.However, BEYOND takes root in China, and has very good cooperation relationship with most of famous factories, plus strong technical support and good advantage in language. Therefore, BEYOND is quite capable to help the customer to solve this challenge.

1. Are you trading company or manufacturer?We are professional trading company with 11 years export experience build base on our mud pump manufacturer, we are exclusive
agent, and mainly products are oil drilling rig, drilling mud pump, related oilfield drilling equipment, construction machinery,
water well drilling rig and etc. Our products have been exported to more than 20 countries of Azerbaijan, Kazakhstan, Asia, South
America, Africa, India, Egypt, and get a good reputation in the world.2. Are your products qualified?Yes, our products all have gained ISO certificate,API, and CE, Ghost, and we have specialized quality inspection department forchecking every machine before leaving our factory.3. How about your machine quality?All of our machines must pass a great number of strict testing in order to offer the best quality to our customers.4. Do you have after-sale service?Yes, we have professional technic after-sale service team which will offer you the best technical maintenance guidance. Engineersare available to be abroad for service.5. What about the quality warranty?We offer one-year quality warranty.6. How long can you deliver the machine?Generally, parts mainly have at stock , pumps we can delivery in 20 working days.