Drill Tool Lifting Sub

Drill tool lifting sub

Drill tool lifting sub is a special tools for lifting of the drill tools in petroleum,natural gas industry and geologic exploration.Drill tool lifting sub is divided into a b type structure.The a type has 18 degree shoulder,the b type has 90 degree shoulder.The lifting sub can be selected according to elevator structure.Integral lifting subs are made of high strength alloy steel.All connections are complied with SY/T5699.