China Power Tools and Accessory Product Specification ITEM#D116003 Product NameHss Step Drill Bit TypeCountersink Drill Bit, Step Drill Bits ShankTriangle Shank, Round Shank, Hex Shank, Hex Shank With a Step FluteStraight Flute, Spiral Flute ColorDesigned Customized supportOEM/ODM Brand NameDURAMAKE Place of OriginHangzhou, China DimensionsSame as sample Size4-12mm,4-20mm,4-32mm MaterialHSS...