Расширитель

The rotary reamer is designed for every reaming operation but particularly for stabilization purposes when drilling in very Абразивный formations  This is a versatile tool  It will fit hole sizes ranging from 4-5/8″ to 26″  In addition, each body, by simple adjustment of blocks and proper selection of cutters, will suit a wide range of hole sizes
Its body is made of modified alloy steel, fully heat treated to 285-341 Brinell Твёрдость and 54J minimum impact strength  Соединения are cold Свернутый, phosphated, coated and equipped with protectors and are gagged to API Standards  Its body is inspected on an ultrasonic control unit over its full length and section  The original cutter and block assembly allows easy replacement of cutters by rig crews