Applications:Core drills wih laser welded segments for wet drilling ,suitable in Asia ,Russia , Middle east market and so on; Suitable for driling concrete, reinforced concrete , concrete products ,masonry walls and asphalt . Fast, smoothly and long life ; Useful length 450mm ,1 1/4-7 UNC female thread , other length and thread can be produced as required ; | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|