Material Number 4143950ISO Catalog ID VDS201A05500Grade WU25PDAdapter Style Machine Side Straight-Cylindrical[D1] Drill Diameter M 5.5 mm[L4] Maximum Drilling Depth 20 mm[L3] Flute Length 28 mm[L5] Drill Point Length 0.92 mm[L] Overall Length 66 mm[LS] Shank Length 36 mm[D] Adapter / Shank / Bore Diameter 6 mm