Additional Drilling Equipment - GREAT 7" INDUSTRIAL OIL GAS TRICONE DRILL BIT HEAD WATER WELL CHROME BIT. Bit is in Very Nice Shape with no teeth missing. A little surface rust and a little chrome plating flaking but over all Very Nice. See the other Similar Tricone Bit I'm selling. Location: Denver, Colorado. For complete listing information please select the Click To Bid button to see this item on eBay.