Portable Line Boring Machine is useful for engineering purposes. The Line Boring Machine is made from quality grade raw material that ensures longer functional life. The Line Boring Machine is capable of measuring bores using calibrated internal and external micrometers and its size ranges from 30 mm to 2500 mm in diameter. Portable Line Boring Machine is used for concentric boring of holes on backhoes, dozers, end loaders, Scrapper Hitches, metal structures, tractors, excavators, machine components, using a standard magnetic drill press.