11/16 Inch Drill Bit for Metal - Industrial Grade M35 Cobalt Titanium Aluminum Nitrite - 11/16" Diameter & Total Length of 6" with Working Length of 3" Easily Drill Into Metal, Steel, & Aluminum 11/16" 1 is up for auction in Industrial & Scientific. The current bid is $2.00, 89% below the $18.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.