Material Number 5698436ISO Catalog ID M4D050Z04S22LN15[D1] Effective Cutting Diameter 50 mm[D] Adapter / Shank / Bore Diameter 22 mm[D6] Hub Diameter 42 mm[L] Overall Length 40 mm[AP1MAX] 1st Maximum Cutting Depth 15.5 mmNumber of Inserts 4Weight Kilograms 0.3Max RPM 16300