Diamond core drill Diameter: 2"-14", width: 3.5mm or 4.0mm, height: ... , length: 16"-18", adaptor: 1/4" UNC Wet cutting Diamond core drill 1.Wet cut drilling reinforced commcrete,block,glass,ceramics.2 ... starting.Applications:Cured reinforced concrete with soft to hard aggregates, green concrete, asphalt and abrasive materials.Machinery:Core drill machine and hand drill, driven by hydraulic ...