Material Number 1913593ISO Catalog ID B977A11000Grade KCU15[D1] Drill Diameter M 11 mm[L] Overall Length 118 mm[L3] Flute Length 71 mm[L4] Maximum Drilling Depth 56 mm[L5] Drill Point Length 1.88 mm[LS] Shank Length 45 mm[D] Adapter / Shank / Bore Diameter 12 mm