Eccentric overburden drilling system or what we usually call as odex system is used for drilling complicated formations from soft soil, mud to hard rock granite. WORLDRILL manufactures and provides high quality different sizes of eccentric overburden casing systems for customers. Today, 31th January, 2019, the last batch of cargo will be sent to the sea port soon, including a set of ɸ280 pilot bit(Odex280). WORLDRILL will always provide various of reliable drilling tools to meet different customers’ needs. You are welcome to contact us any time.