... Drilling Machine 1.High efficiency vertical drilling machine 2.Stainless vertical drilling machine The Z5030 Approved Vertical Drilling Machine/DrillerCharacterc:1.New-designed,pleasing appearance,compact construction,wide speed ... batch and mass production for drilling ,counter boring,reaming,tapping,spot ... guard Main technical specifications: Max.drilling capacity30mm(1.18")Max.tapping capacityM20 ...