MILL FLATS ON SILVER & DEMING DRILLS #827 tubalcain

Here is a sure way to prevent large drills from slipping in a Jacobs chuck. Simple indexing & milling job. Thanks for viewing----please watch all 1400 of my shop videos. Then subscribe & hit the thumbs up button. #drillpress#morsetaper#grindingdrills#machineshop#machinist#mrpete