Manufacturer Part Number: TSDNL N LongCobaltThreadedShankDrillBit Decimal...Manufacturer Part Number: TSDNL N Long Cobalt Threaded Shank Drill Bit Decimal Equivalent .3020 Metric Equivalent 7.67mm Overal Length 2-1/8 Premium Grade Steel Other Details Size: N Material: Cobalt Finish: Black Oxide Overall Length: 2-1/8 Shank...more