Material Number 6134234ISO Catalog ID M4D080Z08S27LN11[D1] Effective Cutting Diameter 80 mm[D] Adapter / Shank / Bore Diameter 27 mm[D6] Hub Diameter 60 mm[L] Overall Length 50 mm[AP1MAX] 1st Maximum Cutting Depth 11 mmNumber of Inserts 8Weight Kilograms 1.12Max RPM 17100