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 ;

Item No. Diameter  Segment Height  Segment Width Arbor Valid Lenth ZJW0325150199 32 10 3.25 1 1/4" -7 450 ZJW0375150199 37 10 3.25 1 1/4" -7 450 ZJW0445150199 44 10 3.25 1 1/4" -7 450 ZJW0525150199 52 10 3.25 1 1/4" -7 450 ZJW0635150199 63 10 3.5 1 1/4" -7 450 ZJW0735150199 73 10 3.5 1 1/4" -7 450 ZJW0835150199 83 10 3.5 1 1/4" -7 450 ZJW1025150199 102 10 3.5 1 1/4" -7 450 ZJW1085150199 108 10 3.5 1 1/4" -7 450 ZJW1125150199 112 10 3.75 1 1/4" -7 450 ZJW1225150199 122 10 3.75 1 1/4" -7 450 ZJW1325150199 132 10 3.75 1 1/4" -7 450 ZJW1525150199 152 10 3.75 1 1/4" -7 450 ZJW1625150199 162 10 3.75 1 1/4" -7 450 ZJW1825150199 182 10 4 1 1/4" -7 450 ZJW2005150199 200 10 4 1 1/4" -7 450