IR8500/7200/105 ROLLER BUSH
1. Product Description: Roller Kelly Bushings can be classified as two types based on different ways of drive, square drive and pin drive. Also they can be classified as three types based on different styles, heavy, medium and light-duty. They are used for 17 1/2 to 49 1/2 inch ...
Square Drive Roller Kelly Bushing The Square Drive Roller Kelly Bushing provides the following advantages: 1.Pulling out or feeding off string can be done while rotating; 2.Because of its whole construction, it can no fly out and hurts you. 3.The bushing is easily installed ...
Square Drive Roller Kelly Bushing The Square Drive Roller Kelly Bushing provides the following advantages: 1.Pulling out or feeding off string can be done while rotating; 2.Because of its whole construction, it can no fly out and hurts you. 3.The bushing is easily installed ...