Material Number 6134233ISO Catalog ID M4D063Z09S22LN11[D1] Effective Cutting Diameter 63 mm[D] Adapter / Shank / Bore Diameter 22 mm[D6] Hub Diameter 49.98 mm[L] Overall Length 40 mm[AP1MAX] 1st Maximum Cutting Depth 11 mmNumber of Inserts 9Weight Kilograms 0.56Max RPM 19500