Hilti Diamond Core bit. With extention 1200mm total length. Not done much work take a close look at the diamond teeth. Hardly worn, loads of life left in them. Item located nr Orpington. The item “Hilti DD Diamond Core bit 155mm x 465mm + extention” is in sale since Wednesday, April 17, 2019. This item is in the category “Business, Office & Industrial\Industrial Tools\Drilling Tools\Drills”. The seller is “all-red7″ and is located in sevenoaks, Kent. This item can be shipped to United Kingdom.