Material Number 3744622ISO Catalog ID 20A03R032A20ED10R31-170[D1] Effective Cutting Diameter 20 mm[D] Adapter / Shank / Bore Diameter 20 mm[L] Overall Length 169.72 mm[L2] Head Length 31.72 mm[AP1MAX] 1st Maximum Cutting Depth 9.8 mmNumber of Inserts 3Maximum Ramping Angle 4.5Weight Kilograms 0.36Max RPM 44800