Oil Well Diamond Drill Bit Rock Water Drilling Carbide Start Price USD 499.00 Current Price USD 499.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Friday, September 05, 2008 End Time Friday, September 12, 2008 Location Tulsa, OK See more about 'Oil Well Diamond Drill Bit Rock Water Drilling Carbide' Description This Auction is for one 6" Smith International Diamond Drill / Rock Bit.The bit was sold to me years ago as an "unused" older model bit and was since used as a display piece.I do not see any evidence of wear on the bit, however I am not an expert - so see photos and judge for yourself.Bit is being sold "AS IS". Place a Bid!