Solid Body Pin Drive Master Bushing - Brochure

Solid Body Pin Drive Master Bushing as per API-7K specification suitable for 27-1⁄2" and 20-1⁄2" . The advantage of using Pin Drive Master Bushings makes it possible to use extended split bowls in the rotary table while the Kelly bushing is in operation. The extended bowls are made in three sizes as per API for different sizes of tubular as given below in column no. 6 to 8 of the table.