SGS 56867 | 37/64" Diameter x 5/8" Shank x 83" LOC x 133" OAL 2 Flute AlTiN Coated Screw Machine Length Drill BitFeatures: Coolant through design improves coolant flow to extend tool life and aid in chip evacuation Eccentric 2 margin design reduces frictional heat and minimizes material adhesion to the margins without weakening the drill Computer controlled edge honing protects against chip damage High performance point design stabilizes on contact for exceptional hole size and cylindricity allowing for low thrust force and extended tool life SGS Ti NAMITE A