Clawson, Chris2020-04-132020-04-13https://dspace.montaguearchive.org/handle/MHS-01376/930Editor's Note: Flute grinding a tap blank. Flutes are ground into tap blanks to allow for chip clearance as the tap performes its primary function of cutting threads into various components. The threads will be cut into the blank(s) following this operation.Greenfield Tap & Die Co.GTD