Modular Large Diameter Deep Hole Drill/Large Diameter Drill Ningbo Mechin Cutting Tools Co., Ltd. Base Info Model NO.:MDD-100105Customized:Non-CustomizedType:Large Diameter DrillMaterial:Alloy SteelUsage:Metal DrillingTrademark:MECHINTransport Package:Plastic Box Packed in CartonOrigin:China Description Pre:Spade Drill Insert/Replaceable Tip for Spade Drill Next:No Dig HDD Drilling Tricone Bit 6 1 /4 Inch IADC517