Prodrill produces the ODEX Eccentric Overburden Drilling System, starting with the ODEX90 to suit 114mm O.D.Casings.This twopiece system comprises the shank bit holder and the eccentric pilot bit that is secured in the bit holder by a double interlocking pin.

This is easily removed to allow for bit are sharpening or replacement.Prodrill ODEX overburden drilling systems are widely used in a variety of applications from well drilling and mining to rock anchoring and site investigation.


Application Range:
It is suitable for drilling water wells, geothermal wells, short mircopiles ,medium mini-type grouting hole of building,dam and harbour project.

1.When drilling starts , the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly

2.When the required depth is reached , rotation is reversed carefully, whereupon the reamer swings in , allowing the drill bit assembly to be pulled up through the casing.

3.Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.

4.Drilling continues to the desired depth in the bedrock using a conventional drilling.
Specification Overview:


Terms  & Conditions of the Order

1.Payment Term:

T/T (Telegraphic Transfer) or Western Union

2.Delivery Term:
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.

3.Transportation:
Sample order:We suggest Courier express or by air
Bulk order:We suggest by air or by sea.

4.Quality & Service:
A.There will be strict inspection and testing for every order before shipping out.
B Our sales team and Technical Support will response for your question within 24 hours (Holidays Excluded) through skype and :+ 86 139 1110 7654
C.Free replacement will provide once the failure confirmed caused or our product quality;Not satisfied with a refund.