diamond core drill bits:construction, concrete, brick wall punch. professional users, bridge engineering, metro diamond core drill bitsFor civil construction, concrete, brick wall punch. for professional users, bridge engineering, metro engineering, high-grade reinforced...

1. Used for all kinds of stones,such as granite marble. 2.Fast cutting and long lifetime. 3. wet use center waterfeed. Specitications    Unit:mmOuter DiameterLength ALength BSegment DimensionsNumber of segmentInchMetric  ThicknessHight 1...

civil construction, concrete, brick wall punch. professional users, bridge engineering, metro engineering, for civil construction, concrete, brick wall punch. for professional users, bridge engineering, metro engineering, high-grade reinforced concrete...

civil construction, concrete, brick wall punch. professional users, bridge engineering, metro engineering, for civil construction, concrete, brick wall punch. for professional users, bridge engineering, metro engineering, high-grade reinforced concrete...

for professional users, bridge engineering, metro engineering, high-grade reinforced concrete drilling.  Specitications    Unit:mmOuter DiameterLength ALength BSegment DimensionsNumber of segmentInchMetric  ThicknessHight 1...

civil construction, concrete, brick wall punch. professional users, bridge engineering, metro engineering,  for civil construction, concrete, brick wall punch. for professional users, bridge engineering, metro engineering, high-grade reinforced concrete...